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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 ... | $1,573,283 | $1,335,270 | $41,193,069 | $226,199 | $3,915,692 | $432,093 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $1,641,915 | $555,705 | $281,262 | $6,909,382 | $8,344,047 | $1,481,176 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $20,658,623 | $20,857,501 | $1,996,068 | $584,765 | $207,915,163 | $20,119,239 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $117,596 | $133,741 | $14,289 | $155,678 | | |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $11,754,961 | $12,935,336 | $15,959,380 | $20,334,836 | $13,279,558 | $12,424,720 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $6,696,958 | $5,795,211 | $6,596,376 | $6,112,940 | $4,601,329 | $2,393,964 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $1,049,366 | $1,928,700 | $1,934,739 | $1,378,653 | $1,346,089 | $1,012,263 |
| Total | $43,492,702 | $43,541,464 | $67,975,183 | $35,702,453 | $239,401,878 | $37,863,455 |
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