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| Commodity | 2006 | 2007 | 2008 | 2009 | 2010 |
| Rails of iron/steel | $158,963 | $455,905 | $724,003 | $1,076,561 | $8,704,845 |
| Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ... | $23,763 | $1,653 | $5,000 | $199,344 | $12,928 |
| Fish-plates & sole plates (base plates) of iron/steel | | $930 | $563,218 | $12,383 | $442,372 |
| Railway/tramway track construction mat.of iron/steel...: check-rails & rack ... | $38,139 | $1,035 | $341,203 | $240,857 | $2,046,488 |
| Total | $220,865 | $459,523 | $1,633,424 | $1,529,145 | $11,206,633 |
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