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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 ... | $1,361,445 | $262,296 | $618,110 | $630,310 | $4,637,616 | $363,510 | $857,652 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $239,262 | $224,694 | $253,210 | $336,282 | $90,624 | $322,661 | $45,254 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $16,306,313 | $20,327,009 | $21,481,170 | $22,431,479 | $20,919,952 | $26,983,309 | $38,424,387 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $1,439,845 | $1,048,518 | $1,518,183 | $1,431,924 | $769,293 | $1,212,486 | $1,678,991 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $790,121 | $177,804 | $434,136 | $638,010 | $201,395 | $611,852 | $395,933 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $3,194,115 | $4,306,030 | $5,078,153 | $6,414,544 | $6,019,833 | $9,243,352 | $13,673,203 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $4,037,354 | $2,626,485 | $1,596,236 | $4,429,547 | $3,170,314 | $2,794,139 | $3,093,449 |
| Total | $27,368,455 | $28,972,836 | $30,979,198 | $36,312,096 | $35,809,027 | $41,531,309 | $58,168,869 |
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