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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rail locomotives powered from an ext. source of electricity | $294,948 | $158,475 | $3,382,039 | $16,361,615 | $26,498,219 | $15,318,781 | $1,226,790 |
| Rail locomotives powered by elec. accumulators | | | $49,973 | $30,553 | | | $433 |
| Total | $294,948 | $158,475 | $3,432,012 | $16,392,168 | $26,498,219 | $15,318,781 | $1,227,223 |
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