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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rail locomotives powered from an ext. source of electricity | | | $22 | | | | $178 |
| Rail locomotives powered by elec. accumulators | $37,846 | $364,028 | $11,270 | $32,878 | $214,421 | $244,528 | $388,398 |
| Total | $37,846 | $364,028 | $11,292 | $32,878 | $214,421 | $244,528 | $388,576 |
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