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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $1,346,000 | $884,918 | $2,162,941 | $1,971,984 | $1,291,656 | $2,908,504 | $1,936,418 |
| Towers & lattice masts of iron/steel | $10,170,277 | $5,961,967 | $13,614,018 | $56,467,869 | $92,650,353 | $22,218,169 | $12,475,497 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $1,132,675 | $523,328 | $539,305 | $2,279,978 | $1,652,926 | $1,440,123 | $2,156,713 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $1,864,243 | $2,387,418 | $5,253,576 | $3,312,902 | $1,801,948 | $3,096,857 | $5,239,281 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $22,971,496 | $30,839,992 | $34,839,809 | $38,443,401 | $61,959,074 | $119,690,387 | $33,550,857 |
| Total | $37,484,691 | $40,597,623 | $56,409,649 | $102,476,134 | $159,355,957 | $149,354,040 | $55,358,766 |
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