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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $573,607 | $14,662,892 | $4,462,321 | $4,117,436 | $2,270,699 | $3,155,370 | $2,588,075 |
| Towers & lattice masts of iron/steel | $501,991 | $1,315,239 | $3,999,831 | $5,313,063 | $931,032 | $925,735 | $832,282 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $4,096,200 | $6,359,193 | $9,576,485 | $9,364,342 | $3,222,352 | $2,876,199 | $3,211,261 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $9,315,233 | $15,836,753 | $20,777,567 | $13,391,204 | $2,099,538 | $10,635,284 | $15,073,533 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $36,607,774 | $42,312,812 | $58,024,921 | $62,263,930 | $25,733,626 | $19,066,302 | $73,944,375 |
| Total | $51,094,805 | $80,486,889 | $96,841,125 | $94,449,975 | $34,257,247 | $36,658,890 | $95,649,526 |
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