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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $9,749,356 | $2,498,147 | $1,383,296 | $5,430,229 | $4,990,375 | $10,378,591 | $19,913,557 |
| Towers & lattice masts of iron/steel | $14,959,891 | $15,427,331 | $18,254,631 | $19,695,155 | $32,393,174 | $123,389,782 | $28,945,285 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $63,700,365 | $74,448,825 | $87,487,311 | $104,091,382 | $87,271,533 | $76,197,634 | $89,970,631 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $74,686,521 | $94,321,763 | $130,543,929 | $150,681,054 | $72,971,502 | $62,551,634 | $75,079,394 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $328,461,466 | $399,669,866 | $601,329,212 | $834,551,161 | $585,058,186 | $541,835,208 | $597,053,914 |
| Total | $491,557,599 | $586,365,932 | $838,998,379 | $1,114,448,981 | $782,684,770 | $814,352,849 | $810,962,781 |
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