Commodity200520062007200820092010
Phenazone (antipyrin) & its derivs.$5,885,810$5,494,221$7,698,783$7,221,243$6,294,084$6,791,572
Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ...$4,007,966$6,396,636$7,281,393$7,432,900$4,472,849$11,729,916
Hydantoin & its derivs.$5,300,067$9,306,988$12,638,681$17,487,125$11,634,559$11,500,649
Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ...$17,748,171$16,604,854$17,860,986$65,412,994$25,075,385$21,974,732
Pyridine & its salts$765,389$1,136,489$1,211,747$2,197,701$1,902,310$3,705,890
Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ...$158,486,269$241,967,917$333,508,047$314,580,892$358,152,252$418,449,687
Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ...$322,262,115$389,495,251$301,710,534$275,167,485$150,417,988$346,446,165
Melamine$39,734,877$45,880,753$50,546,497$49,590,466$31,833,769$36,581,131
Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ...$40,308,664$45,580,776$51,872,743$55,303,308$45,724,912$44,668,644
6-Hexanelactam (epsilon-caprolactam)$8,742,536$8,353,708$8,055,411$5,388,377$2,704,356$3,530,988
Lactams (excl. of 2933.71 & 2933.72)$51,561,954$49,506,459$43,130,783$30,432,761$35,245,257$40,036,253
Total$654,803,818$819,724,052$835,515,605$830,215,252$673,457,721$945,415,627