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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $11,440,579 | $15,945,739 | $23,475,571 | $17,621,934 | $15,465,595 | $16,360,804 | $12,156,634 |
| Towers & lattice masts of iron/steel | $4,334,596 | $3,343,446 | $4,206,988 | $8,029,917 | $5,350,786 | $5,280,826 | $72,725,170 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $32,024,887 | $33,333,695 | $42,986,214 | $54,524,139 | $40,386,418 | $43,172,747 | $60,806,916 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $25,670,230 | $35,150,862 | $41,723,554 | $47,116,290 | $22,596,909 | $22,927,423 | $27,265,270 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $281,997,000 | $308,829,026 | $377,948,167 | $456,444,824 | $300,523,486 | $291,457,588 | $387,782,613 |
| Total | $355,467,292 | $396,602,768 | $490,340,494 | $583,737,104 | $384,323,194 | $379,199,388 | $560,736,603 |
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