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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $2,039,577 | $2,916,232 | $1,922,959 | $2,016,293 | $2,097,712 | $91,425,199 | $35,440,278 |
| Towers & lattice masts of iron/steel | $1,320,766 | $130,410,990 | $272,012 | $10,662,636 | $4,548,624 | $229,014,904 | $64,247,318 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $2,877,629 | $5,305,976 | $8,025,263 | $9,205,949 | $8,595,941 | $13,986,904 | $16,552,137 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $7,469,827 | $7,737,382 | $7,211,534 | $10,207,700 | $14,715,117 | $14,293,327 | $21,983,970 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $50,902,738 | $53,829,821 | $29,642,986 | $48,867,932 | $77,794,206 | $121,013,150 | $133,416,563 |
| Total | $64,610,537 | $200,200,401 | $47,074,754 | $80,960,510 | $107,751,600 | $469,733,484 | $271,640,266 |
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