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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $45,431,575 | $61,848,911 | $64,961,604 | $3,120,312 | $15,895,262 | $76,499,156 | $64,119,702 |
| Towers & lattice masts of iron/steel | $4,977,750 | $9,705,169 | $28,419,828 | $16,363,354 | $36,353,994 | $19,051,508 | $36,571,700 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $758,986 | $1,458,813 | $1,755,376 | $2,393,704 | $1,647,285 | $3,179,785 | $6,365,027 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $2,332,860 | $5,158,801 | $6,043,521 | $4,949,658 | $3,588,961 | $7,415,176 | $15,293,327 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $31,910,546 | $39,170,640 | $57,968,156 | $94,071,340 | $120,182,996 | $126,795,232 | $90,064,247 |
| Total | $85,411,717 | $117,342,334 | $159,148,485 | $120,898,368 | $177,668,498 | $232,940,857 | $212,414,003 |
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