Commodity2005200620072008200920102011
Phenazone (antipyrin) & its derivs.$9,436$3,352$376,406$263,851$66,211$6,339$2,346
Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ...$36,868$131,747$235,933$1,011,929$361,245$118,775$85,147
Hydantoin & its derivs.$518$8,397$18,701$4,475$6,563$14,764$36,677
Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ...$419,475$911,433$782,285$732,733$490,294$1,222,907$3,414,861
Pyridine & its salts$11,048$46,741$21,049$114,325$25,023$18,959$1,890
Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ...$197,067$113,262$310,132$2,524,322$582,679$349,166$1,064,371
Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ...$668,723$450,852$766,082$699,416$1,053,157$904,324$1,303,738
Melamine    $970$38,038$59,548
Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ...$658,161$729,377$953,699$1,507,324$1,570,478$2,297,087$1,997,989
6-Hexanelactam (epsilon-caprolactam)$13,371   $3,257$395 
Lactams (excl. of 2933.71 & 2933.72)$637$1,629 $25,181$31,063$69,419$47,518
Total$2,015,304$2,396,790$3,464,287$6,883,556$4,190,940$5,040,173$8,014,085