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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 ... | $134,253 | | $546,236 | $1,001,983 | $400,102 | $704,722 | $1,169,607 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $89,555 | | $56,786 | $35,092 | $51,904 | $41,386 | $115,356 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $15,855,310 | $3,999,723 | $10,242,203 | $12,758,832 | $10,221,444 | $10,883,085 | $14,761,214 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $17,617 | | $4,194,185 | $3,968,477 | $2,068,184 | $2,559,622 | $3,199,744 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $6,479 | $8,251 | $20,303 | $39,094 | | $31,158 | $69,167 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $6,656,961 | $2,591,753 | $11,101,145 | $15,497,166 | $11,704,939 | $14,003,111 | $20,286,891 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $8,578,277 | $1,424,685 | $10,018,934 | $14,790,590 | $6,339,533 | $4,697,974 | $6,081,501 |
| Total | $31,338,452 | $8,024,412 | $36,179,792 | $48,091,234 | $30,786,106 | $32,921,058 | $45,683,480 |
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