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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 ... | $12,551,646 | $1,780,084 | $3,183,566 | $936,753 | $584,756 | $646,038 | $942,117 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $10,639 | $3,764 | $258,990 | $398,024 | | $359 | $159 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $13,226,296 | $23,005,485 | $25,545,764 | $24,194,428 | $7,372,540 | $16,615,661 | $24,063,551 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $5,625,780 | $7,691,228 | $11,866,890 | $11,172,692 | $4,282,046 | $6,386,733 | $8,190,983 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $79,654 | $108,563 | $357,411 | $71,397 | $109,455 | $65,529 | $110,409 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $32,139,599 | $39,959,323 | $61,111,112 | $59,391,692 | $16,681,684 | $29,809,498 | $47,415,110 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $5,079,935 | $6,646,551 | $5,912,670 | $6,784,282 | $35,841,104 | $3,413,316 | $2,247,587 |
| Total | $68,713,549 | $79,194,998 | $108,236,403 | $102,949,268 | $64,871,585 | $56,937,134 | $82,969,916 |
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