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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Railway/tramway sleepers (cross-ties) of wood, not impregnated | $2,653,554 | $2,975,755 | $2,942,624 | $2,873,355 | $1,806,658 | $2,251,188 | $2,616,897 |
| Railway/tramway sleepers (cross-ties) of wood, other than those not impregn ... | $386,035 | $212,380 | $173,779 | $261,024 | $389,038 | $371,840 | $365,519 |
| Total | $3,039,589 | $3,188,135 | $3,116,403 | $3,134,379 | $2,195,696 | $2,623,028 | $2,982,416 |
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