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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $6,404,323 | $16,159,161 | $8,197,491 | $4,084,327 | $3,215,713 | $3,725,605 | $4,075,047 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $2,644,551 | $2,260,802 | $358,287 | $460,781 | $607,189 | $565,059 | $437,016 |
| Hydantoin & its derivs. | $790,033 | $962,696 | $1,151,821 | $2,267,227 | $2,655,558 | $5,436,278 | $5,304,206 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $58,786,379 | $48,884,929 | $44,658,834 | $46,455,149 | $36,582,489 | $51,406,117 | $27,480,689 |
| Pyridine & its salts | $145,397 | $194,774 | $213,174 | $99,442 | $246,572 | $152,342 | $149,955 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $82,569,632 | $71,984,664 | $80,847,887 | $75,613,120 | $66,664,689 | $66,080,382 | $68,900,178 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $60,707,013 | $77,109,924 | $58,255,086 | $72,925,919 | $55,648,988 | $52,356,160 | $53,895,631 |
| Melamine | $19,971,179 | $28,718,769 | $32,955,960 | $58,150,601 | $40,101,045 | $65,397,192 | $80,511,914 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $8,796,753 | $10,138,740 | $13,852,450 | $15,273,080 | $14,144,700 | $15,650,394 | $20,321,451 |
| 6-Hexanelactam (epsilon-caprolactam) | $37,354,197 | $28,063,553 | $31,358,508 | $20,171,881 | $2,741,062 | $2,975,856 | $4,485,967 |
| Lactams (excl. of 2933.71 & 2933.72) | $4,482,411 | $4,354,266 | $8,064,340 | $9,622,005 | $8,721,809 | $10,710,999 | $11,262,343 |
| Total | $282,651,868 | $288,832,278 | $279,913,838 | $305,123,532 | $231,329,814 | $274,456,384 | $276,824,397 |
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