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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rails of iron/steel | $8,817,123 | $13,475,053 | $20,950,865 | $58,812,681 | $77,427,225 | $22,381,105 | $40,054,365 |
| Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ... | $11,383,495 | $19,614,160 | $56,699,801 | $95,209,021 | $60,856,685 | $55,863,300 | $60,576,337 |
| Fish-plates & sole plates (base plates) of iron/steel | $1,639,764 | $1,329,872 | $1,320,914 | $3,645,841 | $1,451,529 | $466,148 | $1,443,188 |
| Railway/tramway track construction mat.of iron/steel...: check-rails & rack ... | $18,229,699 | $27,231,942 | $22,532,887 | $27,320,120 | $19,329,378 | $21,027,595 | $17,938,129 |
| Total | $40,070,081 | $61,651,027 | $101,504,467 | $184,987,663 | $159,064,817 | $99,738,148 | $120,012,019 |
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