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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $19,756,583 | $19,596,861 | $27,675,899 | $68,377,947 | $44,612,341 | $84,231,938 | $71,076,872 |
| Towers & lattice masts of iron/steel | $46,138,856 | $84,523,327 | $86,585,362 | $93,029,908 | $68,711,797 | $91,899,994 | $139,448,961 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $147,271,476 | $181,085,268 | $167,189,422 | $201,117,585 | $193,156,212 | $202,582,391 | $235,542,770 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $41,540,178 | $47,573,223 | $51,021,331 | $79,406,227 | $59,072,544 | $82,574,847 | $84,465,372 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $505,010,510 | $675,994,442 | $729,864,266 | $957,318,915 | $800,636,749 | $853,065,514 | $982,845,416 |
| Total | $759,717,603 | $1,008,773,121 | $1,062,336,280 | $1,399,250,582 | $1,166,189,643 | $1,314,354,684 | $1,513,379,391 |
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