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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $4,694,174 | $489,589 | $184,255 | $621,886 | $529,385 | $494,356 | $1,338,989 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $96,868 | $80,085 | $23,014 | $109,863 | $430,226 | $464,008 | $977,980 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $2,369,826 | $497,503 | $404,333 | $1,364,624 | $1,780,375 | $1,002,695 | $1,695,891 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $533,588 | $128,648 | $929,815 | $290,871 | $321,644 | $864,838 | $994,815 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $7,177,025 | $5,969,720 | $8,160,684 | $12,148,408 | $6,677,739 | $5,723,716 | $5,884,727 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $5,388,645 | $6,903,936 | $4,549,608 | $3,282,126 | $6,785,691 | $8,341,498 | $5,167,897 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $19,252,096 | $14,809,615 | $15,502,420 | $20,885,018 | $32,233,467 | $23,962,770 | $19,508,653 |
| Total | $39,512,222 | $28,879,096 | $29,754,129 | $38,702,796 | $48,758,527 | $40,853,881 | $35,568,952 |
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