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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 ... | $143,026,000 | $229,828,000 | $260,268,000 | $230,871,000 | $268,482,000 | $153,447,525 | $238,486,193 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $16,786,000 | $8,490,000 | $2,712,000 | $20,704,000 | $12,654,000 | $7,992,500 | $6,942,160 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $503,919,000 | $570,412,000 | $658,984,000 | $648,196,000 | $425,925,000 | $455,360,512 | $583,418,696 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $440,329,000 | $583,323,000 | $858,673,000 | $893,908,000 | $504,283,000 | $465,129,859 | $583,222,258 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $31,515,000 | $26,896,000 | $34,088,000 | $34,270,000 | $23,480,000 | $42,016,277 | $78,973,545 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $261,758,000 | $325,059,000 | $345,836,000 | $386,774,000 | $237,101,000 | $278,625,820 | $357,968,680 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $34,864,000 | $37,982,000 | $51,862,000 | $53,470,000 | $46,967,000 | $57,497,771 | $57,608,692 |
| Total | $1,432,197,000 | $1,781,990,000 | $2,212,423,000 | $2,268,193,000 | $1,518,892,000 | $1,460,070,264 | $1,906,620,224 |
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