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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rail locomotives powered from an ext. source of electricity | $14,056 | $5,167 | $4,866 | $14,142 | $25,341 | $16,516 | $937 |
| Rail locomotives powered by elec. accumulators | $378 | $86,267 | $2,658 | | $36,595 | $1,927 | $219 |
| Total | $14,434 | $91,434 | $7,524 | $14,142 | $61,936 | $18,443 | $1,156 |
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