Commodity2005200620072008200920102011
Phenazone (antipyrin) & its derivs.$677$271,553$190,047$82,882$25,383$171,109$68,385
Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ...$82,153 $78,312$10,964$8,558$15,023$140,975
Hydantoin & its derivs.$140,363$175,755$135,084$336,260$62,964$111,873$184,686
Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ...$1,071,012$487,774$1,083,182$856,865$757,827$789,447$1,006,597
Pyridine & its salts$6,623$16,162$31,367$2,705$8,236$8,596$12,311
Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ...$1,182,816$1,669,929$2,097,020$3,019,774$2,053,405$1,634,956$3,945,633
Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ...$358,821$334,623$321,338$211,555$158,206$542,591$430,667
Melamine$10,295$11,067$26,102$21,335$21,889$15,577$16,444
Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ...$455,559$655,601$1,052,566$713,850$915,273$862,861$918,600
Lactams (excl. of 2933.71 & 2933.72)$18,317$16,493$43,945$5,762$10,261$6,296$33,919
Total$3,326,636$3,638,957$5,058,963$5,261,952$4,022,002$4,158,329$6,758,217