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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $5,319,765 | $2,249,577 | $1,531,830 | $3,919,068 | $9,588,510 | $6,673,743 | $2,496,789 |
| Towers & lattice masts of iron/steel | $5,309,645 | $2,748,362 | $5,210,498 | $19,045,742 | $75,412,988 | $40,498,077 | $36,286,191 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $21,781,425 | $24,278,333 | $29,345,460 | $39,183,310 | $41,543,533 | $34,961,526 | $33,610,099 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $5,215,150 | $5,269,419 | $13,751,552 | $9,023,650 | $8,370,057 | $5,908,277 | $7,010,348 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $254,304,727 | $220,578,574 | $501,607,397 | $445,023,280 | $493,198,230 | $316,262,169 | $232,247,332 |
| Total | $291,930,712 | $255,124,265 | $551,446,737 | $516,195,050 | $628,113,318 | $404,303,792 | $311,650,759 |
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