Commodity2005200620072008200920102011
Phenazone (antipyrin) & its derivs.$1,493,726$1,013,995$705,327$940,662$353,371$222,310$281,893
Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ...$201,162$229,282$68,239$754,919$2,313,045$4,036,878$2,803,264
Hydantoin & its derivs.$96,605$111,028$89,398$58,417$14,715$18,263$79,241
Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ...$1,637,952$3,594,468$3,600,159$3,088,262$11,123,900$5,926,748$3,367,240
Pyridine & its salts$78,348$183,508$408,711$324,037$402,052$222,915$376,574
Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ...$8,829,072$13,944,199$6,938,195$4,605,831$7,734,989$43,941$755,763
Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ...$1,709,864$5,167,903$6,950,227$7,371,495$6,958,351$7,674,602$2,949,564
Melamine$1,208,914$1,411,588$1,144,626$2,463,618$687,060$933,955$1,580,737
Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ...$1,904,979$2,206,825$2,865,992$2,057,505$1,256,182$1,370,183$2,323,956
6-Hexanelactam (epsilon-caprolactam)$44$40$142$25$414$831 
Lactams (excl. of 2933.71 & 2933.72)$2,063,943$3,669,284$5,400,614$4,677,770$3,022,719$4,127,681$4,852,818
Total$19,224,609$31,532,120$28,171,630$26,342,541$33,866,798$24,578,307$19,371,050