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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $1,107,364 | $181,414 | $213,103 | $176,654 | $155,900 | $96,812 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $6,563 | $73,497 | $49,167 | $132,628 | $148,267 | $208,536 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $1,044,844 | $1,027,239 | $4,475,588 | $4,015,445 | $1,446,838 | $2,877,484 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $400,529 | $534,507 | $1,814,864 | $1,232,179 | $582,584 | $459,316 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $238,828 | $145,511 | $1,335,069 | $3,174,655 | $518,387 | $1,187,606 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $803,099 | $1,472,175 | $264,857 | $468,275 | $1,368,052 | $3,168,499 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $8,470,493 | $9,141,676 | $31,331,628 | $19,625,236 | $16,047,145 | $9,261,391 |
| Total | $12,071,720 | $12,576,019 | $39,484,276 | $28,825,072 | $20,267,173 | $17,259,644 |
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