Commodity2005200620072008200920102011
Phenazone (antipyrin) & its derivs.$114$1,578$1,469 $8,930$44$2,266
Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ...$6,698$72,586$10,208$6,543$8,965$6,224$46,908
Hydantoin & its derivs.$14,501$3,003$4,728$3,689$8,399$7,764$8,880
Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ...$36,067$15,667$138,333$46,712$9,015$19,996$36,143
Pyridine & its salts$6,430$14,980$10  $303$551
Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ...$260,108$1,537,067$760,367$1,314,150$423,688$6,185,854$4,686,139
Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ...$3,642,229$5,877,473$7,861,186$5,640,154$3,383,376$3,370,540$1,708,283
Melamine$4,694$10,015$1,871$7,275$492$190,064$14,734
Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ...$594,969$656,795$2,117,237$143,358$393,285$587,037$735,374
6-Hexanelactam (epsilon-caprolactam)$14,020$1,076$3,513$125,689 $42,160$45
Lactams (excl. of 2933.71 & 2933.72)$20,606$9,078$92,796$17,940$149,116  
Total$4,600,436$8,199,318$10,991,718$7,305,510$4,385,266$10,409,986$7,239,323