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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $1,259,222 | $2,781,609 | $9,329,981 | $6,073,317 | $9,412,464 | $17,136,979 | $16,467,092 |
| Towers & lattice masts of iron/steel | $3,086,353 | $3,401,129 | $14,788,313 | $16,998,141 | $24,245,522 | $6,084,186 | $18,330,208 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $49,049,602 | $66,890,921 | $112,162,364 | $142,453,276 | $97,041,534 | $92,786,221 | $114,577,181 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $40,676,497 | $105,537,663 | $164,301,721 | $165,109,365 | $73,065,967 | $92,158,508 | $164,540,191 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $174,687,301 | $227,953,023 | $319,249,687 | $511,713,151 | $272,789,981 | $252,646,464 | $335,342,865 |
| Total | $268,758,975 | $406,564,345 | $619,832,066 | $842,347,250 | $476,555,468 | $460,812,358 | $649,257,537 |
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