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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $819,505 | $4,526,362 | $1,130,207 | $2,443,494 | $7,630,260 | $13,859,309 | $22,972,663 |
| Towers & lattice masts of iron/steel | $6,454,904 | $26,409,386 | $18,565,972 | $50,426,849 | $70,345,605 | $40,095,900 | $22,942,063 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $3,046,264 | $3,514,387 | $4,902,975 | $3,817,417 | $4,029,511 | $3,654,257 | $6,265,846 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $6,251,201 | $2,109,450 | $1,590,934 | $2,070,719 | $1,752,974 | $1,111,347 | $5,729,963 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $24,568,698 | $19,851,524 | $37,364,178 | $40,225,422 | $30,998,567 | $34,130,798 | $40,127,542 |
| Total | $41,140,572 | $56,411,109 | $63,554,266 | $98,983,901 | $114,756,917 | $92,851,611 | $98,038,077 |
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