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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $3,752,457 | $2,440,894 | $4,379,491 | $2,205,415 | $1,208,803 | $14,893,637 | $5,608,211 |
| Towers & lattice masts of iron/steel | $12,105,758 | $1,640,884 | $7,871,763 | $24,292,747 | $11,659,184 | $1,225,567 | $5,314,351 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $5,594,468 | $5,929,281 | $7,198,261 | $20,157,880 | $13,279,202 | $12,452,800 | $12,432,695 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $19,988,433 | $12,171,585 | $19,039,586 | $13,862,922 | $19,556,703 | $31,874,941 | $28,884,387 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $101,218,302 | $99,548,864 | $150,956,778 | $281,550,523 | $141,528,462 | $476,791,851 | $185,337,614 |
| Total | $142,659,418 | $121,731,508 | $189,445,879 | $342,069,487 | $187,232,354 | $537,238,796 | $237,577,258 |
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