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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 ... | $107,770 | $135,829 | $534,141 | $1,608,039 | $265,133 | $203,465 | $431,742 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $159,433 | $56,309 | $147,164 | $410,421 | $144,926 | $206,224 | $1,341,321 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $9,620,724 | $11,454,103 | $18,807,771 | $20,298,509 | $10,906,860 | $20,864,080 | $26,249,451 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $11,452,869 | $11,834,701 | $17,692,944 | $26,114,241 | $13,581,306 | $24,855,247 | $30,656,717 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $835,811 | $1,026,186 | $933,055 | $2,205,072 | $1,093,110 | $1,375,448 | $2,534,736 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $2,324,733 | $3,533,237 | $5,133,570 | $5,749,895 | $3,322,980 | $7,658,396 | $11,111,350 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $1,227,766 | $1,505,134 | $2,495,521 | $2,553,346 | $1,504,349 | $2,101,206 | $3,309,794 |
| Total | $25,729,106 | $29,545,499 | $45,744,166 | $58,939,523 | $30,818,664 | $57,264,066 | $75,635,111 |
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