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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $452,991 | $3,223,684 | $5,084,758 | $25,478,933 | $20,529,596 | $92,909,297 | $17,149,491 |
| Towers & lattice masts of iron/steel | $30,130,228 | $69,111,431 | $89,903,621 | $142,239,456 | $95,302,782 | $75,868,335 | $70,366,771 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $5,118,542 | $6,089,190 | $8,110,416 | $12,277,113 | $17,437,079 | $19,776,462 | $22,311,575 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $29,995,476 | $22,697,960 | $26,477,274 | $60,425,394 | $63,195,946 | $68,165,057 | $49,843,830 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $62,923,594 | $166,280,581 | $208,005,328 | $346,608,297 | $653,072,616 | $699,300,792 | $556,148,828 |
| Total | $128,620,831 | $267,402,846 | $337,581,397 | $587,029,193 | $849,538,019 | $956,019,943 | $715,820,495 |
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