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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Railway/tramway sleepers (cross-ties) of wood, not impregnated | $157,560 | | $3,522 | $31,875 | $65,645 | $10,329 | $12,149 |
| Railway/tramway sleepers (cross-ties) of wood, other than those not impregn ... | $12,810 | $243,329 | $220,594 | $124,806 | $18,300 | | |
| Total | $170,370 | $243,329 | $224,116 | $156,681 | $83,945 | $10,329 | $12,149 |
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