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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Rail locomotives powered from an ext. source of electricity | | $14,179,071 | $9,648,214 | $16,209 | | $167,116 |
| Rail locomotives powered by elec. accumulators | $1,595,626 | $1,061,609 | $247,109 | $1,476,527 | $3,389,141 | $945,662 |
| Total | $1,595,626 | $15,240,680 | $9,895,323 | $1,492,736 | $3,389,141 | $1,112,778 |
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