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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rails of iron/steel | $40,455,975 | $116,511,779 | $214,247,478 | $419,299,303 | $482,765,477 | $274,947,588 | $412,858,905 |
| Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ... | $4,215,608 | $5,835,299 | $14,059,022 | $26,660,026 | $13,081,348 | $25,103,017 | $31,501,438 |
| Fish-plates & sole plates (base plates) of iron/steel | $3,576,742 | $7,156,477 | $9,052,431 | $16,936,799 | $10,105,851 | $12,679,549 | $22,570,325 |
| Railway/tramway track construction mat.of iron/steel...: check-rails & rack ... | $781,809 | $6,342,530 | $2,788,424 | $26,503,634 | $13,929,928 | $64,932,843 | $36,065,902 |
| Total | $49,030,134 | $135,846,085 | $240,147,355 | $489,399,762 | $519,882,604 | $377,662,997 | $502,996,570 |
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