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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 ... | $124,748 | $94,368 | $93,178 | $107,792 | $4,749 | $1,320,771 | $167,939 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $652 | $48,200 | $1,359,135 | $1,854,778 | $277,480 | $4,261 | $991 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $1,042,017 | $966,801 | $996,412 | $1,273,988 | $631,853 | $684,230 | $1,834,918 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $247,976 | $297,207 | $499,555 | $308,970 | $267,030 | $510,952 | $226,120 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $138,795 | $96,893 | $158,816 | $363,568 | $467,922 | $21,741 | $55,772 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $301,511 | $566,873 | $904,415 | $566,946 | $438,242 | $1,268,226 | $990,372 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $774,912 | $419,103 | $1,441,168 | $3,757,781 | $1,123,129 | $646,620 | $939,845 |
| Total | $2,630,611 | $2,489,445 | $5,452,679 | $8,233,823 | $3,210,405 | $4,456,801 | $4,215,957 |
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