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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $5,485,155 | $8,516,319 | $11,352,265 | $12,507,449 | $9,513,180 | $12,670,181 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | $240 | | $114,721 | $94,314 | $7,246,949 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $4,966,909 | $5,867,117 | $6,195,507 | $40,516,657 | $20,565,089 | $23,297,556 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $495,562 | $360,123 | $642,210 | $1,967,914 | $3,455,489 | $20,519,448 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $189,509 | $112,083 | $23,099 | $490,706 | $79,762 | $2,711,005 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $9,957,576 | $14,483,595 | $20,034,932 | $27,883,783 | $25,776,713 | $39,764,683 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $4,745,489 | $7,152,468 | $5,166,376 | $3,699,458 | $3,996,327 | $6,531,115 |
| Total | $25,840,200 | $36,491,945 | $43,414,389 | $87,180,688 | $63,480,874 | $112,740,937 |
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