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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $92,711 | $1,348,219 | $452,045 | $999,395 | $362,945 | $396,612 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $75,581 | $19,522 | $61,633 | $3,144,108 | $815,203 | $55,589 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $8,552,170 | $9,697,160 | $7,171,743 | $8,591,308 | $5,688,490 | $6,060,511 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $473,085 | $366,684 | $3,457,796 | $3,224,985 | $1,770,957 | $1,775,666 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $2,905,919 | $1,830,526 | $629,358 | $1,365,542 | $473,734 | $755,674 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $4,671,308 | $5,332,839 | $7,343,283 | $7,835,445 | $7,308,909 | $9,338,378 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $3,852,107 | $4,676,159 | $6,052,261 | $7,458,537 | $3,201,590 | $1,670,135 |
| Total | $20,622,881 | $23,271,109 | $25,168,119 | $32,619,320 | $19,621,828 | $20,052,565 |
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