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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rails of iron/steel | | $186,108 | $3,167,462 | $66,604 | $176,270 | $6,144 | $208,640 |
| Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ... | | | | | | $6 | |
| Fish-plates & sole plates (base plates) of iron/steel | $21,000 | $2,267 | | | $1,959 | | $21,566 |
| Railway/tramway track construction mat.of iron/steel...: check-rails & rack ... | $14,000 | $63,539 | $23,551 | $65,488 | $9,400 | $188,951 | $246,571 |
| Total | $35,000 | $251,914 | $3,191,013 | $132,092 | $187,629 | $195,101 | $476,777 |
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