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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 ... | $1,556,247 | $8,421,097 | $17,351,379 | $16,389,883 | $10,611,738 | $5,001,775 | $25,503,426 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $12,953 | $14,747 | $954,510 | $12,393 | $122,372 | $97,862 | $1,313,753 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $8,701,685 | $10,680,031 | $11,556,565 | $15,747,079 | $12,825,350 | $14,959,777 | $14,717,448 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $933,450 | $790,207 | $1,345,062 | $4,654,708 | $2,866,145 | $2,274,923 | $3,405,992 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $114,141 | $57,794 | $136,515 | $1,496,596 | $1,357,233 | $1,354,878 | $1,227,329 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $4,567,878 | $6,643,938 | $5,509,184 | $3,646,063 | $5,392,206 | $6,151,722 | $3,554,053 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $523,211 | $404,072 | $545,853 | $660,169 | $359,291 | $341,339 | $916,768 |
| Total | $16,409,565 | $27,011,886 | $37,399,068 | $42,606,891 | $33,534,335 | $30,182,276 | $50,638,769 |
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