Commodity200520062007200820092010
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ...$238$483$1,447 $3,640$10,596
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel$19,685   $12,615$244,944
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$24,477$30$3,554$1,042$80$4,067
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$4,015$1,314$3,168 $679$291
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ... $180,777$2,041   
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ... $1,176$3,188   
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$522,949$146,328$652,182$456,553$561,346$418,471
Total$571,364$330,108$665,580$457,595$578,360$678,369