Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...$83,429,800$104,942,787$85,169,648$212,653,159$60,120,019$118,537,575$156,872,708
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel$13,707,995$24,748$285,211$247,075$2,042,175$27,155,447$38,946,407
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$94,962,231$88,442,640$81,044,501$165,877,208$82,852,734$117,311,834$147,259,154
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$5,637,302$5,277,431$7,765,249$9,140,232$5,892,328$16,912,847$19,894,206
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$1,330,818$1,494,491$724,608$1,508,405$749,047$1,086,656$1,443,961
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$145,469,044$147,215,554$123,580,798$158,542,851$67,004,695$98,620,272$128,551,747
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$2,782,452$3,131,938$5,718,056$5,268,271$4,925,003$3,773,500$1,720,636
Total$347,319,642$350,529,589$304,288,071$553,237,201$223,586,001$383,398,131$494,688,819