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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Railway/tramway sleepers (cross-ties) of wood, not impregnated | $8,962,690 | $4,543,893 | $1,643,420 | $3,799,070 | $1,197,581 | $298,034 | $337,736 |
| Railway/tramway sleepers (cross-ties) of wood, other than those not impregn ... | $998,134 | $1,539,089 | $1,911,049 | $2,736,910 | $1,109,471 | $2,360,297 | $1,242,688 |
| Total | $9,960,824 | $6,082,982 | $3,554,469 | $6,535,980 | $2,307,052 | $2,658,331 | $1,580,424 |
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