|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Railway/tramway sleepers (cross-ties) of wood, not impregnated | | $1,922 | | | | $52,503 | |
| Railway/tramway sleepers (cross-ties) of wood, other than those not impregn ... | $484,834 | $192,171 | $515,810 | $1,314,292 | $343,318 | $673,372 | $1,078,758 |
| Total | $484,834 | $194,093 | $515,810 | $1,314,292 | $343,318 | $725,875 | $1,078,758 |
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