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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $4,283,786 | $2,421,636 | $8,857,499 | $8,152,590 | $3,303,217 | $5,730,631 | $14,146,882 |
| Towers & lattice masts of iron/steel | $699,296 | $170,075 | $523,925 | $977,742 | $582,338 | $236,114 | $4,267,311 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $13,058,087 | $17,105,035 | $26,936,264 | $33,669,359 | $34,418,583 | $36,738,687 | $67,867,489 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $21,645,519 | $6,443,985 | $7,912,825 | $12,483,149 | $10,064,857 | $12,581,390 | $17,744,372 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $203,407,922 | $226,893,593 | $296,255,224 | $516,157,591 | $461,309,992 | $400,614,885 | $462,343,960 |
| Total | $243,094,610 | $253,034,324 | $340,485,737 | $571,440,431 | $509,678,987 | $455,901,707 | $566,370,014 |
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