<data xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<row _id="1"><locomotives>in servicea</locomotives><freight cars> (thousands)b</freight cars><miles>(millions)</miles><Car-miles>(millions)</Car-miles><originatedc>(millions)</originatedc><haul>(miles)</haul><ton-miles>(millions)</ton-miles><(Btu/ton->mile)</(Btu/ton-><(trillion>Btu)</(trillion></row>
<row _id="2"><locomotives>27,077d</locomotives><freight cars>1424.0</freight cars><miles>427.0</miles><Car-miles>29890.0</Car-miles><originatedc>1485.0</originatedc><haul>515.0</haul><ton-miles>764809.0</ton-miles><(Btu/ton->691.0</(Btu/ton-><(trillion>528.1</(trillion></row>
<row _id="3"><locomotives>27,160d</locomotives><freight cars>1422.0</freight cars><miles>430.0</miles><Car-miles>29181.0</Car-miles><originatedc>1391.0</originatedc><haul>507.0</haul><ton-miles>739723.0</ton-miles><(Btu/ton->716.8050755485499</(Btu/ton-><(trillion>530.2372009</(trillion></row>
<row _id="4"><locomotives>27044.0</locomotives><freight cars>1411.0</freight cars><miles>451.0</miles><Car-miles>30309.0</Car-miles><originatedc>1448.0</originatedc><haul>511.0</haul><ton-miles>776746.0</ton-miles><(Btu/ton->713.7234301818097</(Btu/ton-><(trillion>554.3818195</(trillion></row>
<row _id="5"><locomotives>27438.0</locomotives><freight cars>1395.0</freight cars><miles>469.0</miles><Car-miles>31248.0</Car-miles><originatedc>1532.0</originatedc><haul>531.0</haul><ton-miles>851809.0</ton-miles><(Btu/ton->677.4913754139719</(Btu/ton-><(trillion>577.093251</(trillion></row>
<row _id="6"><locomotives>27627.0</locomotives><freight cars>1375.0</freight cars><miles>469.0</miles><Car-miles>30719.0</Car-miles><originatedc>1531.0</originatedc><haul>527.0</haul><ton-miles>850961.0</ton-miles><(Btu/ton->680.5535300677705</(Btu/ton-><(trillion>579.1245125</(trillion></row>
<row _id="7"><locomotives>27846.0</locomotives><freight cars>1359.0</freight cars><miles>403.0</miles><Car-miles>27656.0</Car-miles><originatedc>1395.0</originatedc><haul>541.0</haul><ton-miles>754252.0</ton-miles><(Btu/ton->687.0</(Btu/ton-><(trillion>518.3</(trillion></row>
<row _id="8"><locomotives>27233.0</locomotives><freight cars>1332.0</freight cars><miles>425.0</miles><Car-miles>28530.0</Car-miles><originatedc>1407.0</originatedc><haul>540.0</haul><ton-miles>794059.0</ton-miles><(Btu/ton->680.4427320891772</(Btu/ton-><(trillion>540.3116754</(trillion></row>
<row _id="9"><locomotives>27298.0</locomotives><freight cars>1287.0</freight cars><miles>428.0</miles><Car-miles>28749.0</Car-miles><originatedc>1395.0</originatedc><haul>549.0</haul><ton-miles>826292.0</ton-miles><(Btu/ton->668.9270503647621</(Btu/ton-><(trillion>552.7290703</(trillion></row>
<row _id="10"><locomotives>26959.0</locomotives><freight cars>1226.0</freight cars><miles>433.0</miles><Car-miles>29076.0</Car-miles><originatedc>1390.0</originatedc><haul>617.0</haul><ton-miles>858105.0</ton-miles><(Btu/ton->641.3697285297254</(Btu/ton-><(trillion>550.3625709</(trillion></row>
<row _id="11"><locomotives>27660.0</locomotives><freight cars>1217.0</freight cars><miles>438.0</miles><Car-miles>29436.0</Car-miles><originatedc>1502.0</originatedc><haul>611.0</haul><ton-miles>913669.0</ton-miles><(Btu/ton->618.180475533262</(Btu/ton-><(trillion>564.8123369</(trillion></row>
<row _id="12"><locomotives>28094.0</locomotives><freight cars>1168.0</freight cars><miles>428.0</miles><Car-miles>29277.0</Car-miles><originatedc>1492.0</originatedc><haul>616.0</haul><ton-miles>918958.0</ton-miles><(Btu/ton->597.0</(Btu/ton-><(trillion>548.7</(trillion></row>
<row _id="13"><locomotives>27421.0</locomotives><freight cars>1111.0</freight cars><miles>408.0</miles><Car-miles>27968.0</Car-miles><originatedc>1453.0</originatedc><haul>626.0</haul><ton-miles>910169.0</ton-miles><(Btu/ton->572.0</(Btu/ton-><(trillion>521.0</(trillion></row>
<row _id="14"><locomotives>26795.0</locomotives><freight cars>1039.0</freight cars><miles>345.0</miles><Car-miles>23952.0</Car-miles><originatedc>1269.0</originatedc><haul>629.0</haul><ton-miles>797759.0</ton-miles><(Btu/ton->553.0</(Btu/ton-><(trillion>440.8</(trillion></row>
<row _id="15"><locomotives>25448.0</locomotives><freight cars>1007.0</freight cars><miles>346.0</miles><Car-miles>24358.0</Car-miles><originatedc>1293.0</originatedc><haul>641.0</haul><ton-miles>828275.0</ton-miles><(Btu/ton->525.0</(Btu/ton-><(trillion>435.1</(trillion></row>
<row _id="16"><locomotives>24117.0</locomotives><freight cars>948.0</freight cars><miles>369.0</miles><Car-miles>26409.0</Car-miles><originatedc>1429.0</originatedc><haul>645.0</haul><ton-miles>921542.0</ton-miles><(Btu/ton->510.0</(Btu/ton-><(trillion>469.9</(trillion></row>
<row _id="17"><locomotives>22548.0</locomotives><freight cars>867.0</freight cars><miles>347.0</miles><Car-miles>24920.0</Car-miles><originatedc>1320.0</originatedc><haul>665.0</haul><ton-miles>876984.0</ton-miles><(Btu/ton->497.0</(Btu/ton-><(trillion>436.1</(trillion></row>
<row _id="18"><locomotives>20790.0</locomotives><freight cars>799.0</freight cars><miles>347.0</miles><Car-miles>24414.0</Car-miles><originatedc>1306.0</originatedc><haul>664.0</haul><ton-miles>867722.0</ton-miles><(Btu/ton->486.0</(Btu/ton-><(trillion>421.5</(trillion></row>
<row _id="19"><locomotives>19647.0</locomotives><freight cars>749.0</freight cars><miles>361.0</miles><Car-miles>25627.0</Car-miles><originatedc>1372.0</originatedc><haul>688.0</haul><ton-miles>943747.0</ton-miles><(Btu/ton->456.0</(Btu/ton-><(trillion>430.3</(trillion></row>
<row _id="20"><locomotives>19364.0</locomotives><freight cars>725.0</freight cars><miles>379.0</miles><Car-miles>26339.0</Car-miles><originatedc>1430.0</originatedc><haul>697.0</haul><ton-miles>996182.0</ton-miles><(Btu/ton->443.0</(Btu/ton-><(trillion>441.4</(trillion></row>
<row _id="21"><locomotives>19015.0</locomotives><freight cars>682.0</freight cars><miles>383.0</miles><Car-miles>26196.0</Car-miles><originatedc>1403.0</originatedc><haul>723.0</haul><ton-miles>1013841.0</ton-miles><(Btu/ton->437.0</(Btu/ton-><(trillion>442.6</(trillion></row>
<row _id="22"><locomotives>18835.0</locomotives><freight cars>659.0</freight cars><miles>380.0</miles><Car-miles>26159.0</Car-miles><originatedc>1425.0</originatedc><haul>726.0</haul><ton-miles>1033969.0</ton-miles><(Btu/ton->420.0</(Btu/ton-><(trillion>434.7</(trillion></row>
<row _id="23"><locomotives>18344.0</locomotives><freight cars>633.0</freight cars><miles>375.0</miles><Car-miles>25628.0</Car-miles><originatedc>1383.0</originatedc><haul>751.0</haul><ton-miles>1038875.0</ton-miles><(Btu/ton->391.0</(Btu/ton-><(trillion>405.8</(trillion></row>
<row _id="24"><locomotives>18004.0</locomotives><freight cars>605.0</freight cars><miles>390.0</miles><Car-miles>26128.0</Car-miles><originatedc>1399.0</originatedc><haul>763.0</haul><ton-miles>1066781.0</ton-miles><(Btu/ton->393.0</(Btu/ton-><(trillion>419.2</(trillion></row>
<row _id="25"><locomotives>18161.0</locomotives><freight cars>587.0</freight cars><miles>405.0</miles><Car-miles>26883.0</Car-miles><originatedc>1397.0</originatedc><haul>794.0</haul><ton-miles>1109309.0</ton-miles><(Btu/ton->389.0</(Btu/ton-><(trillion>431.6</(trillion></row>
<row _id="26"><locomotives>18505.0</locomotives><freight cars>591.0</freight cars><miles>441.0</miles><Car-miles>28485.0</Car-miles><originatedc>1470.0</originatedc><haul>817.0</haul><ton-miles>1200701.0</ton-miles><(Btu/ton->388.0</(Btu/ton-><(trillion>465.4</(trillion></row>
<row _id="27"><locomotives>18812.0</locomotives><freight cars>583.0</freight cars><miles>458.0</miles><Car-miles>30383.0</Car-miles><originatedc>1550.0</originatedc><haul>843.0</haul><ton-miles>1305688.0</ton-miles><(Btu/ton->372.0</(Btu/ton-><(trillion>485.9</(trillion></row>
<row _id="28"><locomotives>19269.0</locomotives><freight cars>571.0</freight cars><miles>469.0</miles><Car-miles>31715.0</Car-miles><originatedc>1611.0</originatedc><haul>842.0</haul><ton-miles>1355975.0</ton-miles><(Btu/ton->368.0</(Btu/ton-><(trillion>499.4</(trillion></row>
<row _id="29"><locomotives>19684.0</locomotives><freight cars>568.0</freight cars><miles>475.0</miles><Car-miles>31660.0</Car-miles><originatedc>1585.0</originatedc><haul>851.0</haul><ton-miles>1348926.0</ton-miles><(Btu/ton->370.0</(Btu/ton-><(trillion>499.7</(trillion></row>
<row _id="30"><locomotives>20261.0</locomotives><freight cars>576.0</freight cars><miles>475.0</miles><Car-miles>32657.0</Car-miles><originatedc>1649.0</originatedc><haul>835.0</haul><ton-miles>1376802.0</ton-miles><(Btu/ton->365.0</(Btu/ton-><(trillion>502.0</(trillion></row>
<row _id="31"><locomotives>20256.0</locomotives><freight cars>579.0</freight cars><miles>490.0</miles><Car-miles>33851.0</Car-miles><originatedc>1717.0</originatedc><haul>835.0</haul><ton-miles>1433461.0</ton-miles><(Btu/ton->363.0</(Btu/ton-><(trillion>520.0</(trillion></row>
<row _id="32"><locomotives>20028.0</locomotives><freight cars>560.0</freight cars><miles>504.0</miles><Car-miles>34590.0</Car-miles><originatedc>1738.0</originatedc><haul>843.0</haul><ton-miles>1465960.0</ton-miles><(Btu/ton->352.0</(Btu/ton-><(trillion>516.0</(trillion></row>
<row _id="33"><locomotives>19745.0</locomotives><freight cars>500.0</freight cars><miles>500.0</miles><Car-miles>34243.0</Car-miles><originatedc>1742.0</originatedc><haul>859.0</haul><ton-miles>1495472.0</ton-miles><(Btu/ton->346.0</(Btu/ton-><(trillion>517.3</(trillion></row>
<row _id="34"><locomotives>20506.0</locomotives><freight cars>478.0</freight cars><miles>500.0</miles><Car-miles>34680.0</Car-miles><originatedc>1767.0</originatedc><haul>853.0</haul><ton-miles>1507011.0</ton-miles><(Btu/ton->345.0</(Btu/ton-><(trillion>520.3</(trillion></row>
<row _id="35"><locomotives>20774.0</locomotives><freight cars>467.0</freight cars><miles>516.0</miles><Car-miles>35555.0</Car-miles><originatedc>1799.0</originatedc><haul>862.0</haul><ton-miles>1551438.0</ton-miles><(Btu/ton->344.0</(Btu/ton-><(trillion>533.9</(trillion></row>
<row _id="36"><locomotives>22015.0</locomotives><freight cars>474.0</freight cars><miles>535.0</miles><Car-miles>37071.0</Car-miles><originatedc>1844.0</originatedc><haul>902.0</haul><ton-miles>1662598.0</ton-miles><(Btu/ton->341.0</(Btu/ton-><(trillion>566.2</(trillion></row>
<row _id="37"><locomotives>22779.0</locomotives><freight cars>475.0</freight cars><miles>548.0</miles><Car-miles>37712.0</Car-miles><originatedc>1899.0</originatedc><haul>894.0</haul><ton-miles>1696425.0</ton-miles><(Btu/ton->337.0</(Btu/ton-><(trillion>571.4</(trillion></row>
<row _id="38"><locomotives>23732.0</locomotives><freight cars>475.0</freight cars><miles>563.0</miles><Car-miles>38995.0</Car-miles><originatedc>1957.0</originatedc><haul>906.0</haul><ton-miles>1771897.0</ton-miles><(Btu/ton->330.0</(Btu/ton-><(trillion>584.5</(trillion></row>
<row _id="39"><locomotives>24143.0</locomotives><freight cars>460.0</freight cars><miles>543.0</miles><Car-miles>38186.0</Car-miles><originatedc>1940.0</originatedc><haul>913.0</haul><ton-miles>1770545.0</ton-miles><(Btu/ton->320.0</(Btu/ton-><(trillion>566.9</(trillion></row>
<row _id="40"><locomotives>24003.0</locomotives><freight cars>450.0</freight cars><miles>524.0</miles><Car-miles>37226.0</Car-miles><originatedc>1934.0</originatedc><haul>919.0</haul><ton-miles>1777236.0</ton-miles><(Btu/ton->305.0</(Btu/ton-><(trillion>542.5</(trillion></row>
<row _id="41"><locomotives>24045.0</locomotives><freight cars>416.0</freight cars><miles>436.0</miles><Car-miles>32115.0</Car-miles><originatedc>1668.0</originatedc><haul>919.0</haul><ton-miles>1532214.0</ton-miles><(Btu/ton->291.0</(Btu/ton-><(trillion>446.6</(trillion></row>
<row _id="42"><locomotives>23893.0</locomotives><freight cars>398.0</freight cars><miles>476.0</miles><Car-miles>35541.0</Car-miles><originatedc>1851.0</originatedc><haul>914.0</haul><ton-miles>1691004.0</ton-miles><(Btu/ton->289.0</(Btu/ton-><(trillion>488.1</(trillion></row>
<row _id="43"><locomotives>24250.0</locomotives><freight cars>381.0</freight cars><miles>493.0</miles><Car-miles>36649.0</Car-miles><originatedc>1885.0</originatedc><haul>917.0</haul><ton-miles>1729256.0</ton-miles><(Btu/ton->298.0</(Btu/ton-><(trillion>514.6</(trillion></row>
<row _id="44"><locomotives>24707.0</locomotives><freight cars>381.0</freight cars><miles>500.0</miles><Car-miles>36525.0</Car-miles><originatedc>1760.0</originatedc><haul>973.0</haul><ton-miles>1712567.0</ton-miles><(Btu/ton->294.0</(Btu/ton-><(trillion>504.0</(trillion></row>
<row _id="45"><locomotives>25033.0</locomotives><freight cars>374.0</freight cars><miles>504.0</miles><Car-miles>35253.0</Car-miles><originatedc>1758.0</originatedc><haul>990.0</haul><ton-miles>1740687.0</ton-miles><(Btu/ton->296.0</(Btu/ton-><(trillion>514.9</(trillion></row>
<row _id="46"><locomotives>25916.0</locomotives><freight cars>372.0</freight cars><miles>518.0</miles><Car-miles>37193.0</Car-miles><originatedc>1840.0</originatedc><haul>1006.0</haul><ton-miles>1851229.0</ton-miles><(Btu/ton->292.0</(Btu/ton-><(trillion>540.5</(trillion></row>
<row _id="47"><locomotives>26574.0</locomotives><freight cars>331.0</freight cars><miles>495.0</miles><Car-miles>35853.0</Car-miles><originatedc>1740.0</originatedc><haul>1020.0</haul><ton-miles>1738283.0</ton-miles><(Btu/ton->297.0</(Btu/ton-><(trillion>516.4</(trillion></row>
<row _id="48"><locomotives>26716.0</locomotives><freight cars>315.0</freight cars><miles>453.0</miles><Car-miles>32572.0</Car-miles><originatedc>1554.0</originatedc><haul>1021.0</haul><ton-miles>1585440.0</ton-miles><(Btu/ton->299.0</(Btu/ton-><(trillion>474.2</(trillion></row>
<row _id="49"><locomotives>26547.0</locomotives><freight cars>306.0</freight cars><miles>465.0</miles><Car-miles>34065.0</Car-miles><originatedc>1622.0</originatedc><haul>1033.0</haul><ton-miles>1674784.0</ton-miles><(Btu/ton->293.0</(Btu/ton-><(trillion>490.5</(trillion></row>
<row _id="50"><locomotives>26086.0</locomotives><freight cars>294.0</freight cars><miles>477.0</miles><Car-miles>35018.0</Car-miles><originatedc>1653.0</originatedc><haul>1046.4</haul><ton-miles>1729638.0</ton-miles><(Btu/ton->296.47427918443054</(Btu/ton-><(trillion>512.7931793</(trillion></row>
<row _id="51"><locomotives>24597.0</locomotives><freight cars>270.378</freight cars><miles>444.61</miles><Car-miles>33242.0</Car-miles><originatedc>1565.04</originatedc><haul>1031.6</haul><ton-miles>1614498.0</ton-miles><(Btu/ton->297.5798655681209</(Btu/ton-><(trillion>480.4420978</(trillion></row>
<row _id="52"><locomotives /><freight cars /><miles /><Car-miles /><originatedc /><haul /><ton-miles /><(Btu/ton- /><(trillion /></row>
<row _id="53"><locomotives>-0.001958491377808347</locomotives><freight cars>-0.03333783285931857</freight cars><miles>0.0008251051136534127</miles><Car-miles>0.0021715413340459566</Car-miles><originatedc>0.0010719335087789883</originatedc><haul>0.014278516168506394</haul><ton-miles>0.015364869196489828</ton-miles><(Btu/ton->-0.01703237155082238</(Btu/ton-><(trillion>-0.001929202515316919</(trillion></row>
<row _id="54"><locomotives>0.0022723187672073486</locomotives><freight cars>-0.04217139675443582</freight cars><miles>0.0019574382915672484</miles><Car-miles>0.003455047558216462</Car-miles><originatedc>-0.006351137836628218</originatedc><haul>0.01162506710252642</haul><ton-miles>0.005244738157513584</ton-miles><(Btu/ton->0.0020704788077658964</(Btu/ton-><(trillion>0.007326076084486877</(trillion></row>
<row _id="55"><locomotives /><freight cars /><miles /><Car-miles /><originatedc /><haul /><ton-miles /><(Btu/ton- /><(trillion /></row>
<row _id="56"><locomotives /><freight cars /><miles /><Car-miles /><originatedc /><haul /><ton-miles /><(Btu/ton- /><(trillion /></row>
<row _id="57"><locomotives /><freight cars /><miles /><Car-miles /><originatedc /><haul /><ton-miles /><(Btu/ton- /><(trillion /></row>
<row _id="58"><locomotives /><freight cars /><miles /><Car-miles /><originatedc /><haul /><ton-miles /><(Btu/ton- /><(trillion /></row>
<row _id="59"><locomotives /><freight cars /><miles /><Car-miles /><originatedc /><haul /><ton-miles /><(Btu/ton- /><(trillion /></row>
<row _id="60"><locomotives /><freight cars /><miles /><Car-miles /><originatedc /><haul /><ton-miles /><(Btu/ton- /><(trillion /></row>
<row _id="61"><locomotives /><freight cars /><miles /><Car-miles /><originatedc /><haul /><ton-miles /><(Btu/ton- /><(trillion /></row>
<row _id="62"><locomotives /><freight cars /><miles /><Car-miles /><originatedc /><haul /><ton-miles /><(Btu/ton- /><(trillion /></row>
<row _id="63"><locomotives /><freight cars /><miles /><Car-miles /><originatedc /><haul /><ton-miles /><(Btu/ton- /><(trillion /></row>
<row _id="64"><locomotives /><freight cars /><miles /><Car-miles /><originatedc /><haul /><ton-miles /><(Btu/ton- /><(trillion /></row>
</data>
