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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 ... | $4,036,729 | $5,704,688 | $3,764,000 | $11,350,894 | $10,508,137 | $4,693,307 | $4,063,465 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $11,904 | $28,643 | $182,825 | $5,310 | $6,657 | | |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $12,191,709 | $11,352,755 | $11,929,664 | $11,419,776 | $5,761,717 | $9,716,514 | $23,967,671 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $5,561,812 | $8,701,843 | $20,105,366 | $25,088,252 | $15,802,391 | $20,443,261 | $22,276,793 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $37,743 | $54,815 | $98,933 | $143,896 | $30,656 | $12,192 | $382,206 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $39,542,998 | $53,301,756 | $72,407,101 | $59,368,568 | $17,664,681 | $38,304,094 | $54,390,741 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $1,038,175 | $1,265,411 | $1,059,002 | $651,379 | $384,900 | $441,459 | $243,306 |
| Total | $62,421,070 | $80,409,911 | $109,546,891 | $108,028,075 | $50,159,139 | $73,610,827 | $105,324,182 |
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