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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $220,288 | $467,793 | $1,347,772 | $1,020,520 | $3,090,535 | $2,315,247 | $3,226,815 |
| Towers & lattice masts of iron/steel | $2,009,651 | $9,910,687 | $21,201,131 | $86,846,387 | $68,787,296 | $49,493,174 | $39,304,329 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $23,820,886 | $28,675,183 | $32,353,366 | $47,559,386 | $42,505,714 | $23,908,692 | $22,818,260 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $26,069,621 | $40,156,430 | $66,212,146 | $77,155,114 | $35,023,623 | $26,590,614 | $47,739,773 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $326,982,429 | $417,953,088 | $550,142,992 | $723,965,759 | $559,030,560 | $486,448,092 | $546,225,992 |
| Total | $379,102,875 | $497,163,181 | $671,257,407 | $936,547,166 | $708,437,728 | $588,755,819 | $659,315,169 |
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