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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Bridges & bridge-sections of iron/steel | $1,586,832 | $14,834,559 | $9,762,863 | $2,814,122 | $2,352,050 | $8,726,930 |
| Towers & lattice masts of iron/steel | $2,958,184 | $1,641,815 | $6,894,707 | $27,585,831 | $7,550,519 | $59,127,910 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $3,855,044 | $7,573,365 | $7,563,674 | $9,747,686 | $11,020,618 | $14,153,650 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $27,765,282 | $32,246,584 | $31,261,678 | $56,866,863 | $57,448,529 | $51,603,830 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $33,303,642 | $54,858,510 | $68,254,832 | $82,677,390 | $63,021,016 | $131,384,650 |
| Total | $69,468,984 | $111,154,833 | $123,737,754 | $179,691,892 | $141,392,732 | $264,996,970 |
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