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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 ... | $17,431,735 | $20,450,685 | $9,334,818 | $18,206,354 | $40,923,924 | $12,491,091 | $22,006,471 |
| Casing & tubing of a kind used in drilling for oil/gas, of iron/steel | $460 | | $3,140 | $1,788 | $176,248 | $53,918 | $149,324 |
| Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ... | $19,762,029 | $13,048,145 | $10,737,927 | $16,602,387 | $9,205,892 | $16,831,637 | $8,450,462 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ... | $1,242,045 | $1,395,646 | $2,063,660 | $2,249,258 | $1,832,761 | $3,016,265 | $2,838,163 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... | $365,781 | $230,690 | $659,785 | $3,620,016 | $2,273,971 | $1,278,959 | $740,514 |
| Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... | $5,840,278 | $7,168,897 | $6,721,667 | $4,418,898 | $5,438,362 | $12,017,982 | $9,559,862 |
| Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ... | $769,242 | $465,760 | $501,173 | $464,412 | $412,995 | $664,553 | $440,934 |
| Total | $45,411,570 | $42,759,823 | $30,022,170 | $45,563,113 | $60,264,153 | $46,354,405 | $44,185,730 |
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