Commodity200520062007
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...$1,661$3,573 
Casing of a kind used in drilling for oil/gas, having circular cross-sectio ...  $1,825
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...  $13,600
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ... $3,882 
Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ... $68,003$21,792
Total$1,661$75,458$37,217