|
| Commodity | 2005 | 2006 | 2007 | 2009 | 2011 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | | | $7,854 | $43,825 | $5,549 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | | $2,519 | | |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $12,421,614 | $16,651,872 | $28,096,612 | $17,733,061 | $31,404,818 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $16,727 | $1,951 | $371,748 | $42,389 | $227,070 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | | $68,850 | $112,862 | $135,828 | $6,973 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $43,740,490 | $54,930,815 | $75,102,917 | $27,241,103 | $78,897,123 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $1,997,493 | $1,820,555 | $2,579,863 | $1,436,827 | $1,789,853 |
| Total | $58,176,324 | $73,474,043 | $106,274,375 | $46,633,033 | $112,331,386 |
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