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| Commodity | 2007 | 2008 | 2009 | 2010 | 2011 |
| Railway/tramway sleepers (cross-ties) of wood, not impregnated | | | $1,378 | | |
| Railway/tramway sleepers (cross-ties) of wood, other than those not impregn ... | $18,673 | $16,664 | $25 | $1,220 | $2,929 |
| Total | $18,673 | $16,664 | $1,403 | $1,220 | $2,929 |
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