Commodity200520062007200820092010
Phenazone (antipyrin) & its derivs.$17,729$8,977$10,552$15,381$14,512$22,370
Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ...$22,935$75,277$62,106$23,367$86,481$184,120
Hydantoin & its derivs.$57,841$102,870$20,434$42,982$54,305$45,230
Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ...$2,007,331$1,444,366$1,699,715$1,964,051$2,672,831$2,263,511
Pyridine & its salts$166,063$325,270$9,822$2,137$10,819$2,858
Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ...$4,634,160$3,757,533$5,432,005$6,979,729$6,155,871$5,384,642
Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ...$1,265,251$2,061,847$2,561,698$2,557,666$2,143,399$2,871,986
Melamine$162,288$231,871$138,753$270,032$237,741$290,535
Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ...$1,398,121$1,147,598$1,241,044$1,915,610$1,666,073$1,320,130
6-Hexanelactam (epsilon-caprolactam)$41 $577   
Lactams (excl. of 2933.71 & 2933.72)$30,955$66,778$86,694$174,906$88,858$224,181
Total$9,762,715$9,222,387$11,263,400$13,945,861$13,130,890$12,609,563