Commodity2005200620072008200920102011
Line pipe (excl. seamless), of a kind used for oil/gas pipelines, of iron/s ... $3,818$62,075$2,517,089$866$25,506$24,637
Casing & tubing of a kind used in drilling for oil/gas, of iron/steel  $1,555$293$1,850$2,746 
Tubes, pipes & hollow profiles (excl. of 7306.10 & 7306.20), welded, of cir ...$2,753,807$821,561$711,573$2,153,898$1,142,312$1,432,858$1,821,332
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.30), welded, of circu ...$1,364,036$2,418,401$5,602,328$1,517,064$823,240$573,419$1,189,849
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.40), welded, of circu ...$3,385,801$3,125,474$1,881,105$177,222$245,085$834,110$1,160,889
Tubes, pipes & hollow profiles (excl. of 7306.10-7306.50), welded, of non-c ...$579,767$1,165,049$1,570,270$2,543,600$1,039,077$815,211$227,706
Tubes, pipes & hollow profiles of iron (excl. cast iron)/steel, n.e.s. (exc ...$215,187$555,669$1,079,879$2,135,357$1,930,734$1,343,125$937,845
Total$8,298,598$8,089,972$10,908,785$11,044,523$5,183,164$5,026,975$5,362,258