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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rail locomotives powered from an ext. source of electricity | $381,215 | $3,117 | $17,456 | $252,244 | $705,364 | $5,511 | $248,537 |
| Rail locomotives powered by elec. accumulators | $240,845 | $602,388 | $1,320,597 | $414,052 | $113,019 | $260,621 | $245,492 |
| Total | $622,060 | $605,505 | $1,338,053 | $666,296 | $818,383 | $266,132 | $494,029 |
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