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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $563,549 | $6,869,800 | $132,436 | $413,342 | $81,931 | $16,671,221 | $14,598,052 |
| Towers & lattice masts of iron/steel | $30,483,074 | $27,462,262 | $31,486,487 | $13,591,687 | $11,881,311 | $36,967,806 | $9,151,693 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $281,746 | $529,252 | $632,348 | $1,234,908 | $1,804,816 | $900,487 | $3,181,997 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $178,700 | $280,919 | $902,952 | $2,249,576 | $562,391 | $2,735,663 | $771,697 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $8,216,050 | $22,466,691 | $17,663,104 | $55,435,908 | $42,840,862 | $37,570,956 | $42,527,547 |
| Total | $39,723,119 | $57,608,924 | $50,817,327 | $72,925,421 | $57,171,311 | $94,846,133 | $70,230,986 |
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