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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rails of iron/steel | $3,121,902 | $10,159,302 | $11,695,715 | $19,058,994 | $9,859,857 | $22,469,302 | $23,705,641 |
| Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ... | $686,188 | $2,001,723 | $204,470 | $62,652 | $2,885,941 | $2,838,568 | $2,495,538 |
| Fish-plates & sole plates (base plates) of iron/steel | $52,065 | $45,676 | $483,538 | $164,763 | $352,632 | $274,305 | $349,379 |
| Railway/tramway track construction mat.of iron/steel...: check-rails & rack ... | $929,394 | $1,363,063 | $1,964,188 | $3,244,917 | $1,977,450 | $3,361,520 | $3,999,327 |
| Total | $4,789,549 | $13,569,764 | $14,347,911 | $22,531,326 | $15,075,880 | $28,943,695 | $30,549,885 |
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