|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Phenazone (antipyrin) & its derivs. | | | $241 | | | |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $32 | | | | | |
| Hydantoin & its derivs. | | | | | $63 | |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $82 | | | $1,084 | $70 | $352 |
| Pyridine & its salts | | | | | | $338 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $5,697 | $5,123 | $1,535 | $436 | $831 | |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $5,281 | $6,071 | $485 | $912 | $1,149 | $24 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | | | $20,235 | | $5,429 | $33,459 |
| Total | $11,092 | $11,194 | $22,496 | $2,432 | $7,542 | $34,173 |
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