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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $1,216,831 | $310,725 | $210,726 | $153,884 | $111,642 | $386,193 | $325,384 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $11,206 | $15,512 | $33,858 | $142,527 | $186,194 | $55,322 | $62,428 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $78,340 | $174,144 | $371,543 | $83,258 | $71,711 | $99,913 | $323,056 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $352,585 | $1,170,775 | $529,919 | $173,791 | $160,202 | $217,350 | $140,261 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $5,662 | $32,733 | $1,997 | $1,637 | $5,163 | $57,602 | $10,460 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $84,170 | $136,297 | $69,052 | $7,602 | $2,387 | $6,148 | $14,574 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $4,278,264 | $5,929,537 | $1,284,326 | $1,954,996 | $2,354,578 | $2,030,539 | $4,482,726 |
| Total | $6,027,058 | $7,769,723 | $2,501,421 | $2,517,695 | $2,891,877 | $2,853,067 | $5,358,889 |
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