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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $2,152,049 | $30,714,213 | $12,827,410 | $9,544,815 | $15,618,863 | $7,599,503 | $20,647,576 |
| Towers & lattice masts of iron/steel | $966,273 | $1,112,845 | $1,276,132 | $2,158,415 | $4,297,399 | $660,559 | $617,565 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $11,056,696 | $9,793,325 | $10,130,870 | $12,213,629 | $9,892,003 | $13,055,014 | $11,109,220 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $21,790,290 | $26,428,747 | $20,345,546 | $22,084,433 | $10,251,697 | $7,628,764 | $16,180,092 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $184,329,730 | $199,918,305 | $303,411,369 | $397,737,358 | $394,588,289 | $320,839,033 | $326,951,260 |
| Total | $220,295,038 | $267,967,435 | $347,991,327 | $443,738,650 | $434,648,251 | $349,782,873 | $375,505,713 |
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