|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | | | | $154 | | | $207 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $499 | $672 | | | $850 | $179 | |
| Hydantoin & its derivs. | | | | | $643 | | |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | | $461 | $122 | | $171 | $105 | $955 |
| Pyridine & its salts | $142 | | | $381 | | | $847 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | | | $848 | $531 | $913 | $788 | $5,094 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $12,269 | $2,966 | $1,260 | $427 | $388 | $249 | $406 |
| Melamine | $433 | | | | | | |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $67,767 | $90,391 | $79,520 | $64,639 | $27,467 | $94,543 | $53,078 |
| Lactams (excl. of 2933.71 & 2933.72) | | | $32 | | | $134 | |
| Total | $81,110 | $94,490 | $81,782 | $66,132 | $30,432 | $95,998 | $60,587 |
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