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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $829,593 | | $20,536 | $24,004 | | $1,114,873 | $323,596 |
| Towers & lattice masts of iron/steel | $2,504,944 | $5,749,794 | $7,899,746 | $13,517,999 | $12,010,777 | $11,045,887 | $12,350,066 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $1,500,385 | $2,253,653 | $4,398,136 | $8,704,794 | $6,493,075 | $6,292,550 | $8,177,674 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $6,311,228 | $6,691,990 | $15,922,411 | $26,932,432 | $20,871,706 | $20,452,669 | $20,575,279 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $13,364,889 | $20,130,732 | $37,983,458 | $45,191,213 | $40,602,288 | $51,362,279 | $69,895,979 |
| Total | $24,511,039 | $34,826,169 | $66,224,287 | $94,370,442 | $79,977,846 | $90,268,258 | $111,322,594 |
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