Commodity200520062007200820092010
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...$34,780,166$63,169,194$59,496,117$141,347,163$217,000,436$100,759,764
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...$4,875,713$4,576,695$8,767,675$10,018,236$4,981,092$6,961,613
Line pipe of a kind used for oil/gas pipelines, having circular cross-secti ...$8,060,714$7,231,253$14,491,095$18,141,569$8,560,337$3,911,018
Casing of a kind used in drilling for oil/gas, having circular cross-sectio ...$689,959$1,874,397$11,547,034$20,911,724$21,913,459$12,824,163
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...$14,057,766$22,843,273$19,469,235$40,047,896$26,014,387$31,939,099
Tubes & pipes (excl. of 7305.11-7305.20), having circular cross-sections, t ...$17,068,724$8,410,917$9,614,522$8,080,601$4,358,979$7,643,058
Tubes & pipes (e.g., welded/riveted/similarly closed), having circular cros ...$2,049,987$15,907,250$26,102,638$30,851,866$21,165,807$13,408,827
Total$81,583,029$124,012,979$149,488,316$269,399,055$303,994,497$177,447,542