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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $709,888 | $705,088 | $626,035 | $1,560,794 | $580,361 | $1,217,667 | $1,624,150 |
| Towers & lattice masts of iron/steel | $3,500,682 | $3,807,719 | $4,448,706 | $8,219,898 | $7,692,097 | $6,155,245 | $7,280,654 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $9,287,844 | $13,095,633 | $16,510,544 | $19,667,913 | $25,835,544 | $15,061,970 | $19,253,825 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $21,549,956 | $34,290,680 | $49,648,175 | $56,685,058 | $40,350,835 | $27,326,822 | $38,129,701 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $81,253,082 | $96,240,082 | $126,720,442 | $154,305,930 | $141,343,498 | $181,018,401 | $237,137,534 |
| Total | $116,301,452 | $148,139,202 | $197,953,902 | $240,439,593 | $215,802,335 | $230,780,105 | $303,425,864 |
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