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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | | $1,540 | $431,704 | | $488,094 | $100,052 | |
| Towers & lattice masts of iron/steel | $276,793 | $410,808 | $1,455,750 | $21,350,311 | $21,604,672 | $10,214,453 | $18,759,638 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $2,051,525 | $1,792,219 | $1,813,723 | $1,582,197 | $1,186,979 | $1,789,682 | $3,568,199 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $11,343,367 | $8,510,667 | $8,813,655 | $7,109,563 | $2,910,639 | $4,334,078 | $11,461,428 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $29,455,683 | $36,236,370 | $39,228,028 | $46,826,898 | $29,720,900 | $35,115,058 | $38,201,087 |
| Total | $43,127,368 | $46,951,604 | $51,742,860 | $76,868,969 | $55,911,284 | $51,553,323 | $71,990,352 |
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