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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... | $28,321 | $118,525 | $185,672 | $350,177 | $282,380 | $98,686 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $601 | $39,988 | $407,138 | $135,086 | $21,401 | $17,628 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $2,522,078 | $2,075,812 | $4,307,386 | $5,587,439 | $985,808 | $1,969,767 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $74,417 | $249,730 | $420,246 | $369,707 | $241,724 | $626,588 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $35,546 | $989,000 | $1,867,756 | $543,930 | $387,883 | $10,430 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $1,504,097 | $2,208,204 | $1,053,523 | $4,720,906 | $691,358 | $1,863,739 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $5,648,485 | $12,160,831 | $10,373,363 | $2,627,715 | $4,620,844 | $4,084,696 |
| Total | $9,813,545 | $17,842,090 | $18,615,084 | $14,334,960 | $7,231,398 | $8,671,534 |
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