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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $710,633 | $1,082,772 | $5,945,797 | $1,719,769 | $346,513 | $3,678,376 | $1,811,661 |
| Towers & lattice masts of iron/steel | $6,384,178 | $6,872,576 | $14,148,414 | $35,491,516 | $17,122,167 | $11,504,903 | $15,408,986 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $1,414,531 | $1,116,318 | $1,298,584 | $1,131,706 | $740,631 | $999,780 | $1,684,820 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $357,203 | $1,060,495 | $1,315,860 | $3,713,761 | $1,672,163 | $668,093 | $1,411,305 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $10,698,701 | $9,606,706 | $10,983,744 | $12,929,301 | $13,006,522 | $19,365,599 | $21,641,086 |
| Total | $19,565,246 | $19,738,867 | $33,692,399 | $54,986,053 | $32,887,996 | $36,216,751 | $41,957,858 |
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