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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bridges & bridge-sections of iron/steel | $943,987 | $4,183,756 | $6,437,782 | $2,247,408 | $8,474,938 | $4,300,841 | $3,930,295 |
| Towers & lattice masts of iron/steel | $811,140 | $1,080,358 | $1,903,419 | $1,416,187 | $3,554,558 | $2,814,395 | $6,465,098 |
| Doors, windows & their frames, & thresholds for doors, of iron/steel | $20,008,873 | $23,153,031 | $26,909,173 | $34,052,984 | $29,379,669 | $26,769,009 | $33,492,029 |
| Equipment for scaffolding/shuttering/propping/pitpropping of iron/steel | $18,200,698 | $14,772,429 | $22,035,355 | $20,506,998 | $17,345,028 | $20,091,468 | $27,013,511 |
| Structures...& parts of structures...of iron/steel (excl. of 7308.10-7308.4 ... | $145,580,334 | $156,499,931 | $230,804,021 | $271,093,800 | $224,316,102 | $259,187,644 | $281,235,854 |
| Total | $185,545,032 | $199,689,505 | $288,089,750 | $329,317,377 | $283,070,295 | $313,163,357 | $352,136,787 |
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