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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $6,844,257 | $12,031,919 | $8,614,316 | $10,623,443 | $37,716,932 | $45,122,393 | $18,538,334 |
| Towers & lattice masts of iron/steel | $116,848,227 | $161,028,216 | $181,611,520 | $265,472,484 | $212,480,058 | $213,049,949 | $246,481,008 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $17,041,352 | $23,662,747 | $32,073,810 | $43,670,793 | $44,248,128 | $49,500,696 | $69,108,436 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $20,978,672 | $37,276,427 | $48,959,774 | $74,326,387 | $76,514,338 | $82,473,719 | $124,696,834 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $297,952,125 | $369,354,452 | $572,935,078 | $822,298,759 | $618,975,120 | $533,511,344 | $642,787,655 |
| Total | $459,664,633 | $603,353,761 | $844,194,498 | $1,216,391,866 | $989,934,576 | $923,658,101 | $1,101,612,267 |
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