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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $1,514,293 | $2,071,623 | $7,671,539 | $11,539,062 | $12,763,896 | $10,361,192 | $12,050,664 |
| Towers & lattice masts of iron/steel | $7,212,470 | $10,572,749 | $13,227,800 | $15,897,520 | $12,794,866 | $28,089,479 | $16,448,952 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $5,522,000 | $8,908,271 | $7,904,876 | $7,212,276 | $4,308,943 | $5,482,816 | $6,239,313 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $12,822,849 | $13,835,666 | $18,724,393 | $23,492,619 | $18,042,613 | $18,890,353 | $25,184,963 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $40,089,465 | $56,933,647 | $83,809,751 | $93,164,214 | $73,470,523 | $98,607,699 | $119,867,096 |
| Total | $67,161,077 | $92,321,956 | $131,338,359 | $151,305,691 | $121,380,841 | $161,431,539 | $179,790,988 |
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