|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $33,628 | $167,287 | | | | $3,180,124 | |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $1,357,223 | $1,081,529 | $721,890 | $1,078,240 | $327,389 | $923,336 | $1,439,678 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $7,943 | $531 | $1,511 | $2,575 | $32 | | |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $4,421,709 | $3,480,992 | $2,197,019 | | $1,958 | | |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $18,889 | $125,418 | $10,107 | $20,133 | $142,977 | $40,341 | $1,627,404 |
| Total | $5,839,392 | $4,855,757 | $2,930,527 | $1,100,948 | $472,356 | $4,143,801 | $3,067,082 |
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