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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 ... | $24,184 | $752 | | $4,990 | | | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $2,115 | | | | $75,335 | $83,319 | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | | | | $71,637 | |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | | | | | | $20,433 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $55,408 | | $56,974 | $19,727 | $6,879 | $18,252 | $375 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $2,120,046 | $1,428,091 | $927,951 | $1,186,140 | $706,124 | $691,045 | $1,010,693 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $1,089 | $5,916 | $19,622 | $2,134 | $672 | $4,745 | $69,491 |
| Total | $2,202,842 | $1,434,759 | $1,004,547 | $1,212,991 | $789,010 | $868,998 | $1,100,992 |
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