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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $27,375 | | | | $31,843 | $152,432 | $506,613 |
| Towers & lattice masts of iron/steel | $1,840,940 | $4,829,250 | $5,573,615 | $6,522,057 | $2,580,776 | $1,944,453 | $2,204,963 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $2,556,013 | $3,997,800 | $4,035,564 | $7,146,516 | $6,902,854 | $8,935,513 | $11,867,788 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $5,589,888 | $8,608,960 | $8,925,341 | $13,504,496 | $20,942,763 | $15,561,867 | $12,687,170 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $36,854,547 | $58,083,805 | $89,005,537 | $109,084,824 | $85,025,099 | $101,631,386 | $122,179,145 |
| Total | $46,868,763 | $75,519,815 | $107,540,057 | $136,257,893 | $115,483,335 | $128,225,651 | $149,445,679 |
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