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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rail locomotives powered from an ext. source of electricity | $2,383 | $10,100 | $323,178 | $5,294,694 | $12,019,800 | $755 | $2,832 |
| Rail locomotives powered by elec. accumulators | $593,866 | $136 | | $337,595 | | $536 | $1,357 |
| Total | $596,249 | $10,236 | $323,178 | $5,632,289 | $12,019,800 | $1,291 | $4,189 |
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