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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $924,820 | $1,650,983 | $3,151,054 | $5,889,862 | $6,112,864 | $2,961,226 | $6,350,863 |
| Towers & lattice masts of iron/steel | $29,906,479 | $50,734,118 | $47,769,309 | $72,618,090 | $57,240,872 | $61,649,709 | $94,952,664 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $5,415,211 | $6,448,706 | $25,358,298 | $23,364,406 | $23,436,489 | $24,760,928 | $34,224,848 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $53,061,544 | $61,472,949 | $87,165,212 | $118,963,979 | $51,155,081 | $51,182,431 | $57,919,270 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $83,149,197 | $116,948,570 | $169,633,238 | $207,260,143 | $187,152,314 | $169,608,472 | $186,520,600 |
| Total | $172,457,251 | $237,255,326 | $333,077,111 | $428,096,480 | $325,097,620 | $310,162,766 | $379,968,245 |
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