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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rail locomotives powered from an ext. source of electricity | $4,440,848 | $3,275,667 | $13,945,260 | $15,487,450 | $5,751,440 | $13,091,558 | $21,445,243 |
| Rail locomotives powered by elec. accumulators | $261,633 | $1,401,550 | $529,917 | $717,810 | $97,442 | $1,125,983 | $1,473,313 |
| Total | $4,702,481 | $4,677,217 | $14,475,177 | $16,205,260 | $5,848,882 | $14,217,541 | $22,918,556 |
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