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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $1,228,588 | $4,429,539 | $5,024,123 | $22,518,224 | $12,451,779 | $14,605,482 | $48,870,596 |
| Towers & lattice masts of iron/steel | $9,298,623 | $3,124,703 | $32,521,919 | $127,924,306 | $64,760,346 | $89,646,340 | $111,824,999 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $1,561,909 | $2,780,759 | $693,962 | $969,538 | $1,737,112 | $3,231,650 | $1,043,720 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $1,993,899 | $6,223,398 | $7,542,570 | $24,011,106 | $3,152,052 | $34,766,123 | $16,922,320 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $45,946,979 | $74,420,093 | $96,063,853 | $118,596,703 | $129,841,809 | $68,607,992 | $196,241,932 |
| Total | $60,029,998 | $90,978,492 | $141,846,427 | $294,019,877 | $211,943,098 | $210,857,587 | $374,903,567 |
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