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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 ... | | $17,065 | $5,945 | $20,809 | $13,885 | $8,958 | $26 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | | | | $32,219 | $12,214 | $11,950 | $20,218 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $9,840,095 | $24,179,369 | $31,778,360 | $39,995,705 | $15,987,288 | $24,193,837 | $22,490,086 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $14,487 | $28,034 | $536,929 | $80,666 | $40,191 | $28,135 | $348,239 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $43,694 | $24,120 | $130,629 | $24,267 | $19,620 | $32,032 | $58,618 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $5,671,076 | $10,933,990 | $23,550,347 | $34,175,232 | $6,789,631 | $24,375,138 | $23,234,948 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $114,595 | $322,505 | $223,471 | $176,436 | $245,162 | $105,987 | $699,887 |
| Total | $15,683,947 | $35,505,083 | $56,225,681 | $74,505,334 | $23,107,991 | $48,756,037 | $46,852,022 |
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