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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $76,770 | $199,631 | $2,602,037 | $78,910 | $172,241 | $10,909,064 | $2,122,930 |
| Towers & lattice masts of iron/steel | $1,734,226 | $3,411,547 | $11,920,340 | $12,123,628 | $34,441,105 | $23,959,995 | $27,380,977 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $786,276 | $1,190,563 | $1,039,197 | $2,650,807 | $2,595,624 | $3,011,851 | $5,835,315 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $8,083,061 | $9,838,421 | $14,399,832 | $43,895,710 | $19,368,815 | $29,889,427 | $48,981,634 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $32,488,314 | $41,831,150 | $27,338,656 | $34,998,308 | $63,779,584 | $70,637,341 | $86,827,408 |
| Total | $43,168,647 | $56,471,312 | $57,300,062 | $93,747,363 | $120,357,369 | $138,407,678 | $171,148,264 |
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