Commodity200520062007200820092010
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...  $64,659$6,017 $85
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...$15,074$11,201$5,489$31,900$289,543$7,881
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...$6,750$46,291$94,983$40,849$9,132$921,132
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...  $1,808 $22,093 
Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ...$10,665$163,855$572,047$1,124,336$806,051$391,542
Total$32,489$221,347$738,986$1,203,102$1,126,819$1,320,640