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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rails of iron/steel | $46,439,221 | $48,248,482 | $52,028,563 | $55,083,099 | $80,228,429 | $70,937,203 | $50,937,487 |
| Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ... | $1,045,329 | $1,365,784 | $21,308,227 | $14,491,341 | $35,797,360 | $22,281,063 | $8,944,634 |
| Fish-plates & sole plates (base plates) of iron/steel | $3,708,936 | $3,306,758 | $7,091,172 | $1,270,636 | $5,122,357 | $2,297,437 | $4,552,950 |
| Railway/tramway track construction mat.of iron/steel...: check-rails & rack ... | $917,183 | $5,645,923 | $16,821,887 | $8,608,771 | $3,494,370 | $8,443,230 | $3,783,836 |
| Total | $52,110,669 | $58,566,947 | $97,249,849 | $79,453,847 | $124,642,516 | $103,958,933 | $68,218,907 |
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