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