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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Railway/tramway sleepers (cross-ties) of wood, not impregnated | | | | $9,358 | | | |
| Railway/tramway sleepers (cross-ties) of wood, other than those not impregn ... | $785,687 | $1,376,675 | $691,634 | $447,104 | $303,407 | $203,652 | $455,303 |
| Total | $785,687 | $1,376,675 | $691,634 | $456,462 | $303,407 | $203,652 | $455,303 |
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