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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Phenazone (antipyrin) & its derivs. | $18,840 | $24,462 | $22,214 | $180,063 | $91,937 | $33,243 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $351,553 | $322,074 | $376,450 | $826,696 | $780,266 | $1,045,806 |
| Hydantoin & its derivs. | $8,764 | $28,935 | $80,860 | $98,420 | $114,213 | $144,531 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $2,386,607 | $2,591,787 | $3,783,214 | $4,302,259 | $4,180,699 | $3,859,514 |
| Pyridine & its salts | $6,884 | $2,731 | $6,218 | $5,073 | $1,695 | $9,875 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $5,068,031 | $5,406,078 | $6,787,700 | $8,005,047 | $9,068,082 | $9,894,106 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $7,696,958 | $7,049,031 | $10,002,311 | $11,599,444 | $8,467,551 | $9,602,951 |
| Melamine | $348,985 | $564,382 | $390,771 | $872,387 | $30 | $187,873 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $1,684,948 | $1,407,140 | $1,644,671 | $2,351,941 | $1,992,030 | $2,098,389 |
| Lactams (excl. of 2933.71 & 2933.72) | $882,182 | $767,231 | $1,184,764 | $1,244,114 | $1,671,365 | $2,007,187 |
| Total | $18,453,752 | $18,163,851 | $24,279,173 | $29,485,444 | $26,367,868 | $28,883,475 |
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