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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $11,991,908 | $22,297,694 | $16,136,205 | $15,057,687 | $21,225,908 | $9,411,460 | $22,144,499 |
| Towers & lattice masts of iron/steel | $3,549,015 | $2,918,962 | $5,923,385 | $31,775,861 | $97,548,474 | $111,590,040 | $98,138,116 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $23,355,990 | $25,239,073 | $31,025,764 | $39,232,195 | $30,321,992 | $30,696,705 | $35,507,144 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $34,282,055 | $47,565,433 | $76,256,552 | $74,353,969 | $42,582,085 | $52,020,210 | $95,737,641 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $143,024,313 | $193,931,597 | $293,819,010 | $427,563,650 | $226,045,921 | $217,019,676 | $289,327,869 |
| Total | $216,203,281 | $291,952,759 | $423,160,916 | $587,983,362 | $417,724,380 | $420,738,091 | $540,855,269 |
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