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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $1,409,742 | $2,537,759 | $7,195,716 | $12,925,823 | $11,093,585 | $8,052,470 | $12,948,159 |
| Towers & lattice masts of iron/steel | $2,954,876 | $3,176,358 | $4,004,111 | $9,200,473 | $3,140,199 | $839,360 | $1,973,636 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $12,801,817 | $17,431,910 | $26,965,320 | $27,863,058 | $18,594,424 | $21,445,581 | $24,704,338 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $2,733,328 | $8,555,656 | $7,872,697 | $4,618,941 | $2,926,832 | $2,746,961 | $4,117,213 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $288,845,653 | $287,798,377 | $349,863,161 | $376,026,458 | $259,846,621 | $183,037,085 | $286,943,725 |
| Total | $308,745,416 | $319,500,060 | $395,901,005 | $430,634,753 | $295,601,661 | $216,121,457 | $330,687,071 |
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