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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $57,830 | $246,615 | $278,315 | $796,428 | $1,040,203 | $431,238 | $763,301 |
| Towers & lattice masts of iron/steel | $1,472,430 | $1,934,593 | $19,275,056 | $12,313,948 | $7,429,231 | $28,911,960 | $5,333,818 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $7,129,711 | $9,390,842 | $15,011,271 | $22,429,057 | $16,264,562 | $11,365,526 | $14,777,624 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $21,019,928 | $27,396,357 | $41,562,013 | $45,923,885 | $12,388,656 | $5,088,473 | $5,834,850 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $59,441,759 | $104,878,881 | $144,874,176 | $159,286,979 | $63,899,725 | $48,638,222 | $45,523,435 |
| Total | $89,121,658 | $143,847,288 | $221,000,831 | $240,750,297 | $101,022,377 | $94,435,419 | $72,233,028 |
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