|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Phenazone (antipyrin) & its derivs. | $69 | | | | | |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $17,376 | $160 | $16,240 | $32 | | $61,075 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $729 | $768 | $5,925 | $2,139 | $2,828 | $13,189 |
| Pyridine & its salts | $545 | $51 | $170 | $337 | $273 | $5,730 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $930 | $3,795 | $1,646 | $33,086 | $103,277 | $25,413 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $1,169 | $3,942 | $4,802 | $916 | $31,166 | $76,924 |
| Melamine | | | | | $51,579 | $1,321 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $2,547 | $86 | $94 | $12,338 | $98 | |
| Lactams (excl. of 2933.71 & 2933.72) | $113 | $148 | $484 | $2,060 | | |
| Total | $23,478 | $8,950 | $29,361 | $50,908 | $189,221 | $183,652 |
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