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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $12,955 | $100,154 | $167,229 | | $2,658 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | $104,358 | $41,673 | | $36,573 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $19,799,156 | $1,360,460 | $12,909 | $8,946 | $746,191 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $74,712 | $604,400 | $102,040 | $30 | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | $107,178 | $79,101 | $22,293 | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $405,721 | | $294,688 | $15,666 | |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $1,441,996 | $1,297,453 | $136,182 | $161,175 | $132,072 |
| Total | $21,734,540 | $3,574,003 | $833,822 | $208,110 | $917,494 |
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