Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
Phenazone (antipyrin) & its derivs. | | $9,554 | | | | | |
Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | | | | | | | $82 |
Hydantoin & its derivs. | | $227 | | | $249 | $60 | $69 |
Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | | $87 | | $1 | $357 | $835 | $357 |
Pyridine & its salts | | | | | | | $275 |
Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $18,167 | | $206 | $892 | $5,624 | | |
Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $988 | $3,130 | $56 | $233 | $3,035 | $958 | |
Melamine | | $549 | | $1,784 | | $97 | |
Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | | | | $55 | | | $37 |
6-Hexanelactam (epsilon-caprolactam) | | $43 | $376 | $33 | $2,668 | $522 | $261 |
Lactams (excl. of 2933.71 & 2933.72) | | | | | | | $326 |
Total | $19,155 | $13,590 | $638 | $2,998 | $11,933 | $2,472 | $1,407 |
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