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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $20,678,687 | $17,329,604 | $22,590,858 | $11,353,270 | $5,145,476 | $7,774,339 | $15,814,601 |
| Towers & lattice masts of iron/steel | $5,036,620 | $4,783,480 | $36,917,820 | $4,647,244 | $49,984,590 | $7,460,298 | $8,200,552 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $18,057,125 | $18,002,579 | $26,560,621 | $31,382,151 | $40,939,312 | $33,074,038 | $36,393,158 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $34,975,228 | $82,841,749 | $53,892,888 | $211,210,368 | $163,250,561 | $100,518,187 | $152,696,496 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $217,460,464 | $192,708,312 | $367,726,542 | $491,639,523 | $427,607,754 | $401,213,875 | $353,945,215 |
| Total | $296,208,124 | $315,665,724 | $507,688,729 | $750,232,556 | $686,927,693 | $550,040,737 | $567,050,022 |
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