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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $2,218,367 | $3,777,733 | $3,845,188 | $5,794,727 | $7,560,223 | $4,831,307 | $3,793,005 |
| Towers & lattice masts of iron/steel | $1,999,163 | $4,421,650 | $2,358,783 | $4,245,452 | $2,168,313 | $799,616 | $7,425,001 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $21,161,024 | $24,764,195 | $34,255,740 | $39,246,327 | $29,941,467 | $31,936,697 | $31,512,073 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $14,198,998 | $21,291,141 | $47,863,178 | $54,112,504 | $11,183,655 | $20,623,857 | $28,889,274 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $131,554,423 | $132,042,595 | $193,296,875 | $256,694,607 | $148,864,543 | $112,874,155 | $127,836,755 |
| Total | $171,131,975 | $186,297,314 | $281,619,764 | $360,093,617 | $199,718,201 | $171,065,632 | $199,456,108 |
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