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| Commodity | 2005 | 2006 | 2007 | 2008 | 2010 |
| Railway/tramway sleepers (cross-ties) of wood, not impregnated | | | $100,022 | | |
| Railway/tramway sleepers (cross-ties) of wood, other than those not impregn ... | $4,398,078 | $474,007 | $74,550 | $177 | $61,340 |
| Total | $4,398,078 | $474,007 | $174,572 | $177 | $61,340 |
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