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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Railway/tramway sleepers (cross-ties) of wood, not impregnated | $330,836 | $322,998 | $502,776 | $506,354 | $208,351 | | $302,830 |
| Railway/tramway sleepers (cross-ties) of wood, other than those not impregn ... | $30,685 | | $298,448 | $703,949 | $1,117,938 | $172,340 | $159,963 |
| Total | $361,521 | $322,998 | $801,224 | $1,210,303 | $1,326,289 | $172,340 | $462,793 |
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