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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $1,672,906 | $54,302 | $370,308 | $542,345 | $2,931,110 | $5,580,351 | $1,702,579 |
| Towers & lattice masts of iron/steel | $2,100,888 | $3,414,883 | $6,457,316 | $10,839,108 | $22,386,479 | $22,944,954 | $9,887,018 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $2,940,047 | $2,705,849 | $2,816,807 | $5,827,526 | $4,535,430 | $6,827,093 | $8,829,786 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $40,708,125 | $34,624,449 | $43,317,244 | $51,408,879 | $24,359,755 | $46,420,798 | $82,378,284 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $36,912,673 | $25,533,891 | $45,450,547 | $136,215,320 | $108,939,923 | $69,204,953 | $90,879,748 |
| Total | $84,334,639 | $66,333,374 | $98,412,222 | $204,833,178 | $163,152,697 | $150,978,149 | $193,677,415 |
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