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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $9,780,945 | $1,662,362 | $11,886,409 | $14,017,130 | $48,925,572 | $5,111,297 | $2,572,888 |
| Towers & lattice masts of iron/steel | $3,722,475 | $12,669,916 | $12,272,351 | $32,151,299 | $10,650,634 | $7,914,535 | $16,125,126 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $787,899 | $200,040 | $497,936 | $1,276,193 | $2,335,904 | $1,172,353 | $1,288,373 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $2,646,321 | $3,666,830 | $3,650,486 | $3,941,361 | $1,567,605 | $3,815,915 | $4,623,985 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $10,682,241 | $15,546,364 | $16,160,890 | $20,638,389 | $29,120,421 | $20,406,636 | $33,722,405 |
| Total | $27,619,881 | $33,745,512 | $44,468,072 | $72,024,372 | $92,600,136 | $38,420,736 | $58,332,777 |
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