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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Railway/tramway sleepers (cross-ties) of wood, not impregnated | $15,319 | | | | | $1,469 |
| Railway/tramway sleepers (cross-ties) of wood, other than those not impregn ... | | $157,147 | $347,808 | $528,606 | $87,168 | $233,714 |
| Total | $15,319 | $157,147 | $347,808 | $528,606 | $87,168 | $235,183 |
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