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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rail locomotives powered from an ext. source of electricity | $5,174,258 | $3,507,474 | $6,320,197 | $12,333,803 | $4,428,247 | $6,009,400 | $11,697,531 |
| Rail locomotives powered by elec. accumulators | $270,510 | $736,968 | $302,035 | $478,724 | $738,191 | $866,686 | $1,306,884 |
| Total | $5,444,768 | $4,244,442 | $6,622,232 | $12,812,527 | $5,166,438 | $6,876,086 | $13,004,415 |
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