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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rails of iron/steel | $3,719,369 | $4,851,399 | $14,297,197 | $14,701,205 | $6,577,781 | $5,808,074 | $7,442,240 |
| Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ... | $436,331 | $716,553 | $2,105,655 | $9,545,527 | $10,057,138 | $1,550,807 | $4,426,132 |
| Fish-plates & sole plates (base plates) of iron/steel | $117,057 | $110,082 | $100,595 | $200,819 | $28,818 | $90,094 | $169,723 |
| Railway/tramway track construction mat.of iron/steel...: check-rails & rack ... | $2,156,363 | $2,735,213 | $2,964,544 | $5,470,886 | $2,378,819 | $2,645,065 | $3,296,125 |
| Total | $6,429,120 | $8,413,247 | $19,467,991 | $29,918,437 | $19,042,556 | $10,094,040 | $15,334,220 |
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