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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Railway/tramway sleepers (cross-ties) of wood, not impregnated | $3,368,187 | $3,824,222 | $10,515,901 | $13,805,439 | $8,987,609 | $7,346,687 | $9,139,932 |
| Railway/tramway sleepers (cross-ties) of wood, other than those not impregn ... | $1,431,423 | $1,066,158 | $2,957,870 | $2,991,101 | $2,857,293 | $1,832,420 | $1,101,080 |
| Total | $4,799,610 | $4,890,380 | $13,473,771 | $16,796,540 | $11,844,902 | $9,179,107 | $10,241,012 |
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