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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 ... | | | | | $554,285 | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | | | $6,299 | |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $121,941 | $630,261 | | $1,745 | $178,990 | $2,814 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | | | | | $10,622 | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $68,188 | | $14,870 | | $29,245 | $16,696 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $8,503 | | | $12,287 | $57,396 | $162,314 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $47,041 | $70,087 | $14,207 | $18,612 | $173,870 | $810,108 |
| Total | $245,673 | $700,348 | $29,077 | $32,644 | $1,010,707 | $991,932 |
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