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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rails of iron/steel | $5,637,043 | $2,807,732 | $13,938,322 | $33,304,794 | $18,084,713 | $18,341,614 | $17,153,174 |
| Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ... | $20,668 | $142,987 | $774,710 | $3,647,287 | $1,666,310 | $1,092,024 | $1,553,236 |
| Fish-plates & sole plates (base plates) of iron/steel | $18,176 | $142,765 | $277,925 | $27,038 | $111,460 | $35,660 | $374,853 |
| Railway/tramway track construction mat.of iron/steel...: check-rails & rack ... | $5,599,765 | $1,577,052 | $4,598,832 | $9,483,037 | $4,752,791 | $6,161,588 | $7,086,259 |
| Total | $11,275,652 | $4,670,536 | $19,589,789 | $46,462,156 | $24,615,274 | $25,630,886 | $26,167,522 |
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