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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $26,093 | | | | | $248,539 | $1,080,558 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | | | | | | $774,708 | $124,795 |
| Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ... | $1,466,478 | $5,155,041 | $1,416,352 | $353,448 | $7,317 | $223,062 | $585,180 |
| Casing of a kind used in drilling for oil/gas, having circular cross-sectio ... | $112,204 | | $1,454,171 | $1,265,432 | $1,670,688 | $184,558 | $4,226,503 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $121,549 | $157,335 | $171,662 | $197,106 | $240,938 | $47,690 | $12,639 |
| Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... | $23,391 | $14,108 | $1,934,120 | $501,100 | $1,785,223 | $234,917 | $12,774 |
| Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... | $43,637 | $25,144 | $16,359 | $173,925 | $74,610 | $1,490,958 | $533,553 |
| Total | $1,793,352 | $5,351,628 | $4,992,664 | $2,491,011 | $3,778,776 | $3,204,432 | $6,576,002 |
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