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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $2,550,228 | $1,222,284 | $3,372,314 | $4,914,285 | $2,090,858 | $5,200,460 | $2,026,929 |
| Towers & lattice masts of iron/steel | $4,615,112 | $3,422,538 | $3,207,964 | $2,104,717 | $5,443,709 | $3,251,156 | $4,809,132 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $6,284,564 | $8,876,925 | $7,690,449 | $8,180,246 | $5,221,183 | $6,010,513 | $5,834,229 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $6,911,651 | $6,111,800 | $5,932,617 | $6,365,350 | $6,212,237 | $8,336,551 | $11,299,859 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $33,414,408 | $40,774,649 | $46,325,249 | $55,577,773 | $57,889,480 | $44,551,218 | $51,566,124 |
| Total | $53,775,963 | $60,408,196 | $66,528,593 | $77,142,371 | $76,857,467 | $67,349,898 | $75,536,273 |
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