<data xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<row _id="1"><Number of vehicles (thousands) /><Vehicle-miles (millions) /><Passenger-miles (millions) /><Load factor>(persons/   vehicle)</Load factor><(Btu per vehicle-mile) /><(Btu per passenger-mile) /><Energy use (trillion Btu) xsi:nil="true" /></row>
<row _id="2"><Number of vehicles (thousands)>108547.710000885</Number of vehicles (thousands)><Vehicle-miles (millions)>1374305.0135721518</Vehicle-miles (millions)><Passenger-miles (millions)>2116429.720901114</Passenger-miles (millions)><Load factor>1.54</Load factor><(Btu per vehicle-mile)>4292.145860860086</(Btu per vehicle-mile)><(Btu per passenger-mile)>2787.1077018571987</(Btu per passenger-mile)><Energy use (trillion Btu)>5898.71757556297598057426512241363525390625</Energy use (trillion Btu)></row>
<row _id="3"><Number of vehicles (thousands)>126769.29568474668</Number of vehicles (thousands)><Vehicle-miles (millions)>1293052.902814382</Vehicle-miles (millions)><Passenger-miles (millions)>2353356.2831221754</Passenger-miles (millions)><Load factor>1.82</Load factor><(Btu per vehicle-mile)>5845.1571412272115</(Btu per vehicle-mile)><(Btu per passenger-mile)>3211.6248028720943</(Btu per passenger-mile)><Energy use (trillion Btu)>7558.0974088700604625046253204345703125</Energy use (trillion Btu)></row>
<row _id="4"><Number of vehicles (thousands)>8596.314</Number of vehicles (thousands)><Vehicle-miles (millions)>19688.045034366573</Vehicle-miles (millions)><Passenger-miles (millions)>23625.654041239886</Passenger-miles (millions)><Load factor>1.2</Load factor><(Btu per vehicle-mile)>2843.50016221026</(Btu per vehicle-mile)><(Btu per passenger-mile)>2369.5834685085497</(Btu per passenger-mile)><Energy use (trillion Btu)>55.98295924882425111945849494077265262603759765625</Energy use (trillion Btu)></row>
<row _id="5"><Number of vehicles (thousands)>73.15549973902345</Number of vehicles (thousands)><Vehicle-miles (millions)>1628.581</Vehicle-miles (millions)><Passenger-miles (millions)>1822.556</Passenger-miles (millions)><Load factor>1.1191067561269596</Load factor><(Btu per vehicle-mile)>17376.82227657083</(Btu per vehicle-mile)><(Btu per passenger-mile)>15527.403602413315</(Btu per passenger-mile)><Energy use (trillion Btu)>28.29956260000000156651367433369159698486328125</Energy use (trillion Btu)></row>
<row _id="6"><Number of vehicles (thousands)>c</Number of vehicles (thousands)><Vehicle-miles (millions)>c</Vehicle-miles (millions)><Passenger-miles (millions)>c</Passenger-miles (millions)><Load factor>c</Load factor><(Btu per vehicle-mile)>c</(Btu per vehicle-mile)><(Btu per passenger-mile)>c</(Btu per passenger-mile)><Energy use (trillion Btu)>226.2520620342596657792455516755580902099609375</Energy use (trillion Btu)></row>
<row _id="7"><Number of vehicles (thousands)>73.237</Number of vehicles (thousands)><Vehicle-miles (millions)>2565.7000000000003</Vehicle-miles (millions)><Passenger-miles (millions)>19311.0</Passenger-miles (millions)><Load factor>7.52660092762209</Load factor><(Btu per vehicle-mile)>34876.52258642865</(Btu per vehicle-mile)><(Btu per passenger-mile)>4633.768007871162</(Btu per passenger-mile)><Energy use (trillion Btu)>89.4826939999999950714482110925018787384033203125</Energy use (trillion Btu)></row>
<row _id="8"><Number of vehicles (thousands)>c</Number of vehicles (thousands)><Vehicle-miles (millions)>c</Vehicle-miles (millions)><Passenger-miles (millions)>c</Passenger-miles (millions)><Load factor>c</Load factor><(Btu per vehicle-mile)>c</(Btu per vehicle-mile)><(Btu per passenger-mile)>c</(Btu per passenger-mile)><Energy use (trillion Btu)>39.62925421600329656257599708624184131622314453125</Energy use (trillion Btu)></row>
<row _id="9"><Number of vehicles (thousands)>708.79142749297</Number of vehicles (thousands)><Vehicle-miles (millions)>c</Vehicle-miles (millions)><Passenger-miles (millions)>c</Passenger-miles (millions)><Load factor>c</Load factor><(Btu per vehicle-mile)>c</(Btu per vehicle-mile)><(Btu per passenger-mile)>c</(Btu per passenger-mile)><Energy use (trillion Btu)>97.140113818256367039793985895812511444091796875</Energy use (trillion Btu)></row>
<row _id="10"><Number of vehicles (thousands)>c</Number of vehicles (thousands)><Vehicle-miles (millions)>c</Vehicle-miles (millions)><Passenger-miles (millions)>c</Passenger-miles (millions)><Load factor>c</Load factor><(Btu per vehicle-mile)>c</(Btu per vehicle-mile)><(Btu per passenger-mile)>c</(Btu per passenger-mile)><Energy use (trillion Btu)>1920.235506239999949684715829789638519287109375</Energy use (trillion Btu)></row>
<row _id="11"><Number of vehicles (thousands)>c</Number of vehicles (thousands)><Vehicle-miles (millions)>6268.826</Vehicle-miles (millions)><Passenger-miles (millions)>754980.564</Passenger-miles (millions)><Load factor>120.43412339088691</Load factor><(Btu per vehicle-mile)>270080.7136774892</(Btu per vehicle-mile)><(Btu per passenger-mile)>2242.5597170737233</(Btu per passenger-mile)><Energy use (trillion Btu)>1693.0889999999999417923390865325927734375</Energy use (trillion Btu)></row>
<row _id="12"><Number of vehicles (thousands)>210.981</Number of vehicles (thousands)><Vehicle-miles (millions)>c</Vehicle-miles (millions)><Passenger-miles (millions)>c</Passenger-miles (millions)><Load factor>c</Load factor><(Btu per vehicle-mile)>c</(Btu per vehicle-mile)><(Btu per passenger-mile)>c</(Btu per passenger-mile)><Energy use (trillion Btu)>227.146506239999979470667312853038311004638671875</Energy use (trillion Btu)></row>
<row _id="13"><Number of vehicles (thousands)>12691.812</Number of vehicles (thousands)><Vehicle-miles (millions)>c</Vehicle-miles (millions)><Passenger-miles (millions)>c</Passenger-miles (millions)><Load factor>c</Load factor><(Btu per vehicle-mile)>c</(Btu per vehicle-mile)><(Btu per passenger-mile)>c</(Btu per passenger-mile)><Energy use (trillion Btu)>213.2607399727520487431320361793041229248046875</Energy use (trillion Btu)></row>
<row _id="14"><Number of vehicles (thousands)>21.135326023049203</Number of vehicles (thousands)><Vehicle-miles (millions)>1503.5610000000001</Vehicle-miles (millions)><Passenger-miles (millions)>39265.318</Passenger-miles (millions)><Load factor>26.114881936948347</Load factor><(Btu per vehicle-mile)>31330.587707183146</(Btu per vehicle-mile)><(Btu per passenger-mile)>1199.7215910386872</(Btu per passenger-mile)><Energy use (trillion Btu)>47.107449783600003456740523688495159149169921875</Energy use (trillion Btu)></row>
<row _id="15"><Number of vehicles (thousands)>0.403</Number of vehicles (thousands)><Vehicle-miles (millions)>278.889</Vehicle-miles (millions)><Passenger-miles (millions)>6478.786</Passenger-miles (millions)><Load factor>23.23069751765039</Load factor><(Btu per vehicle-mile)>34986.74249325</(Btu per vehicle-mile)><(Btu per passenger-mile)>1506.056478358754</(Btu per passenger-mile)><Energy use (trillion Btu)>9.757417627199998833020799793303012847900390625</Energy use (trillion Btu)></row>
<row _id="16"><Number of vehicles (thousands)>13.523</Number of vehicles (thousands)><Vehicle-miles (millions)>842.899</Vehicle-miles (millions)><Passenger-miles (millions)>19858.838000000003</Passenger-miles (millions)><Load factor>23.560163198675053</Load factor><(Btu per vehicle-mile)>20040.129908802835</(Btu per vehicle-mile)><(Btu per passenger-mile)>850.5938494487943</(Btu per passenger-mile)><Energy use (trillion Btu)>16.8918054600000004938920028507709503173828125</Energy use (trillion Btu)></row>
<row _id="17"><Number of vehicles (thousands)>7.209326023049203</Number of vehicles (thousands)><Vehicle-miles (millions)>381.773</Vehicle-miles (millions)><Passenger-miles (millions)>12927.694</Passenger-miles (millions)><Load factor>33.86225322377433</Load factor><(Btu per vehicle-mile)>53587.41109612256</(Btu per vehicle-mile)><(Btu per passenger-mile)>1582.511675817822</(Btu per passenger-mile)><Energy use (trillion Btu)>20.458226696400000577114042243920266628265380859375</Energy use (trillion Btu)></row>
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