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| Commodity | 2007 | 2008 | 2009 | 2010 | 2011 |
| Railway/tramway sleepers (cross-ties) of wood, not impregnated | | $203,351 | $49,603 | | |
| Railway/tramway sleepers (cross-ties) of wood, other than those not impregn ... | $49,279 | $595,912 | $85,002 | $30,830 | $63,584 |
| Total | $49,279 | $799,263 | $134,605 | $30,830 | $63,584 |
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