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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $7,871,871 | $15,550,414 | $21,974,922 | $16,857,388 | $19,863,364 | $17,780,555 | $16,754,308 |
| Towers & lattice masts of iron/steel | $24,550,326 | $69,251,399 | $82,807,241 | $72,331,253 | $33,026,563 | $76,360,676 | $121,129,014 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $93,777,191 | $101,619,652 | $102,319,415 | $123,885,837 | $120,657,803 | $128,454,842 | $139,861,643 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $61,146,629 | $90,080,071 | $115,667,875 | $87,930,081 | $49,829,345 | $93,065,586 | $104,769,045 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $233,834,739 | $351,038,146 | $397,147,808 | $553,623,129 | $338,895,846 | $480,358,224 | $664,221,786 |
| Total | $421,180,756 | $627,539,682 | $719,917,261 | $854,627,688 | $562,272,921 | $796,019,883 | $1,046,735,796 |
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