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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $19,693 | $154,695 | $17,840,663 | $1,823,038 | $13,777 | $156,917 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $9,884 | $874,844 | $1,952,312 | $2,716,140 | $993,443 | $57,878 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $78,284 | $434,459 | $289,063 | $503,670 | $64,260 | |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $299,479 | | $264,983 | | | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $550,989 | $1,015,100 | $663,880 | $2,141,313 | $246,138 | $159,433 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | $209 | $83,037 | $18,361 | $418,539 | $31,102 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $42,088 | $240,798 | $768,836 | $12,577 | $13,447 | $66,894 |
| Total | $1,000,417 | $2,720,105 | $21,862,774 | $7,215,099 | $1,749,604 | $472,224 |
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