Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...$102,369$192,551$61,955$242,163$217,979$28,394 
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel$620,515$339,292  $57,519  
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$65,939,767$61,617,648$67,276,892$91,404,840$59,639,430$75,166,402$88,753,372
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$16,373,810$17,625,461$23,973,507$21,178,989$21,311,661$15,496,640$14,678,078
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$845,055$89,620$288,224$578,544$35,091$17,846$235,335
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$18,323,492$19,030,322$19,175,940$14,012,818$13,455,973$17,591,647$20,045,038
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$309,166$85,383$45,668$189,684$740,762$3,103,246$1,560,315
Total$102,514,174$98,980,277$110,822,186$127,607,038$95,458,415$111,404,175$125,272,138