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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | | | | $58,209 | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | $490 | | | | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $3,339 | $1,536 | $153,498 | $133,282 | $728,290 | $751,660 | $44,291 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | | $337 | | | $213,400 | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $14,261 | $6,558 | $196,546 | $106,634 | $1,970,148 | $2,555,563 | $1,390,140 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $137,004 | $19,413 | $6,512 | $925,591 | $14,173 | $680,761 | $646,091 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $168,417 | $165,010 | $242,827 | $13,121,066 | $2,252,561 | $2,538,502 | $326,465 |
| Total | $323,021 | $193,007 | $599,720 | $14,286,573 | $4,965,172 | $6,798,095 | $2,406,987 |
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