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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Railway/tramway sleepers (cross-ties) of wood, not impregnated | | | $120,591 | $15,400 | $1,547,717 | $462,348 |
| Railway/tramway sleepers (cross-ties) of wood, other than those not impregn ... | $904,107 | $1,285,406 | $2,256,431 | $270,729 | $208,420 | $733,890 |
| Total | $904,107 | $1,285,406 | $2,377,022 | $286,129 | $1,756,137 | $1,196,238 |
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