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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rail locomotives powered from an ext. source of electricity | $343,995 | $49,880,718 | $123,752,146 | $15,910,816 | $29,919,184 | $55,707,315 | $15,983,619 |
| Rail locomotives powered by elec. accumulators | $266,351 | | $1,371,619 | $587,362 | $1,716,781 | | $209,251 |
| Total | $610,346 | $49,880,718 | $125,123,765 | $16,498,178 | $31,635,965 | $55,707,315 | $16,192,870 |
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