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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 ... | $20,450 | $38,756 | $38,432 | $115,607 | $327,110 | $548,296 | $1,444,519 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | $18 | $101,533 | $51,522 | $208,033 | $62,953 | $298,260 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $3,370,640 | $5,425,714 | $2,577,536 | $3,409,696 | $2,053,337 | $3,123,172 | $5,430,150 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $1,494,650 | $721,198 | $8,035,661 | $952,719 | $1,221,804 | $943,555 | $1,546,237 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $2,054,440 | $371,553 | $1,306,408 | $2,435,066 | $161,708 | $661,059 | $727,099 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $1,333,120 | $1,657,987 | $1,606,135 | $1,833,828 | $1,170,062 | $2,232,531 | $3,186,560 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $1,432,580 | $1,626,598 | $2,228,675 | $2,361,935 | $1,063,188 | $1,178,083 | $1,637,475 |
| Total | $9,705,880 | $9,841,824 | $15,894,380 | $11,160,373 | $6,205,242 | $8,749,649 | $14,270,300 |
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