|
| Commodity | 2006 | 2007 | 2008 | 2009 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $42,340 | $208,115 | $132,093 | $171,547 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | $185,603 | $39,475 | $242,901 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $253,914 | $924,932 | $3,721 | $221,263 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $469,879 | $803,093 | $2,897,250 | $4,966 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | | $1,235 | | $243,805 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $13,903 | $48,853 | $205 | |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $883,042 | $424,678 | $100,413 | $37,777 |
| Total | $1,663,078 | $2,596,509 | $3,173,157 | $922,259 |
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