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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Rails of iron/steel | $2,579,831 | $3,326,250 | $2,934,729 | $6,471,935 | $7,397,928 | $2,992,115 | $1,207,885 |
| Switch blades, crossing frogs, point rods & oth. crossing pieces of iron/st ... | $54,721 | $28,358 | $135,584 | $15,230 | $428,238 | $59,463 | $388,902 |
| Fish-plates & sole plates (base plates) of iron/steel | $1,361,938 | $2,518,768 | $3,259,320 | $5,869,796 | $3,832,042 | $1,225,892 | $2,104,958 |
| Railway/tramway track construction mat.of iron/steel...: check-rails & rack ... | $3,836,085 | $6,851,341 | $5,329,811 | $6,036,452 | $4,981,867 | $5,288,320 | $7,380,533 |
| Total | $7,832,575 | $12,724,717 | $11,659,444 | $18,393,413 | $16,640,075 | $9,565,790 | $11,082,278 |
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