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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $113,789 | $246,663 | $11,127,802 | $1,614,316 | $3,942,753 | $1,121,066 | $706,460 |
| Towers & lattice masts of iron/steel | $1,709,947 | $2,852,360 | $4,319,349 | $5,291,767 | $1,546,680 | $1,803,782 | $1,801,084 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $5,600,175 | $10,032,223 | $16,402,541 | $16,504,824 | $10,512,139 | $8,160,691 | $10,752,790 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $6,935,153 | $14,498,594 | $24,737,365 | $18,979,669 | $5,120,908 | $9,064,785 | $13,335,366 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $53,726,926 | $72,849,814 | $102,684,386 | $101,781,287 | $46,848,760 | $47,802,503 | $70,136,673 |
| Total | $68,085,990 | $100,479,654 | $159,271,443 | $144,171,863 | $67,971,240 | $67,952,827 | $96,732,373 |
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