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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $957,441 | $843,704 | $1,355,191 | $1,525,162 | $671,637 | $3,925,280 | $1,712,435 |
| Towers & lattice masts of iron/steel | $235,003 | $1,416,887 | $2,393,264 | $2,020,143 | $343,027 | $73,547 | $39,045 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $6,557,049 | $7,401,489 | $9,085,343 | $9,645,839 | $6,823,826 | $5,066,988 | $5,238,527 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $3,544,534 | $3,227,094 | $4,997,194 | $7,297,019 | $4,617,469 | $4,634,603 | $4,680,252 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $91,078,333 | $126,640,910 | $181,831,994 | $200,694,700 | $122,662,799 | $119,529,737 | $160,186,175 |
| Total | $102,372,360 | $139,530,084 | $199,662,986 | $221,182,863 | $135,118,758 | $133,230,155 | $171,856,434 |
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