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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $756,437 | $747,501 | $1,788,671 | $4,491,428 | $4,474,140 | $2,614,302 | $14,699,280 |
| Towers & lattice masts of iron/steel | $8,639,649 | $3,041,855 | $181,364,967 | $299,183,345 | $29,807,883 | $14,138,090 | $47,464,274 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $2,606,705 | $4,724,089 | $8,648,027 | $29,706,842 | $22,334,485 | $15,561,529 | $18,506,706 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $562,707 | $5,639,405 | $3,996,185 | $12,489,690 | $7,257,974 | $12,685,488 | $24,548,008 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $36,606,618 | $52,574,720 | $337,486,058 | $532,814,040 | $337,144,485 | $177,298,323 | $598,201,891 |
| Total | $49,172,116 | $66,727,570 | $533,283,908 | $878,685,345 | $401,018,967 | $222,297,732 | $703,420,159 |
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