Commodity2005200620072008200920102011
Phenazone (antipyrin) & its derivs.$183,055$253,397$144,012$245,161$364,957$341,915$499,590
Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ...$30,761$118,360$93,400$45,259$40,780$76,890$93,391
Hydantoin & its derivs.$206,542$210,723$143,407$305,205$258,211$207,505$585,499
Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ...$668,251$804,873$1,040,844$1,183,615$923,281$1,577,441$1,575,380
Pyridine & its salts$57,076$29,836$17,252$18,845$46,094$26,758$15,461
Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ...$1,626,213$2,218,504$2,085,039$2,989,113$2,158,535$2,353,780$2,639,256
Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ...$4,042,986$4,488,036$4,764,467$5,667,342$4,230,225$5,808,143$5,067,220
Melamine$364,261$278,764$418,948$935,838$300,289$805,275$847,151
Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ...$380,775$331,215$395,715$483,896$711,149$907,812$1,161,771
6-Hexanelactam (epsilon-caprolactam)$12,879$17,080$22,658$247$38,065  
Lactams (excl. of 2933.71 & 2933.72)$104,651$81,312$207,426$205,410$214,549$249,702$277,717
Total$7,677,450$8,832,100$9,333,168$12,079,931$9,286,135$12,355,221$12,762,436