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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $205,000 | $277,000 | $212,000 | $424,000 | $721,000 | $574,000 | $266,000 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $2,796,000 | $2,768,000 | $9,906,000 | $19,852,000 | $7,186,000 | $10,402,000 | $12,422,000 |
| Hydantoin & its derivs. | $600,000 | $1,013,000 | $1,135,000 | $2,396,000 | $2,485,000 | $3,682,000 | $4,270,000 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $10,455,000 | $9,955,000 | $12,435,000 | $18,647,000 | $19,345,000 | $17,420,000 | $36,659,000 |
| Pyridine & its salts | $5,442,000 | $7,883,000 | $10,191,000 | $6,232,000 | $1,281,000 | $75,000 | $154,000 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $43,510,000 | $41,283,000 | $69,956,000 | $70,233,000 | $99,134,000 | $96,013,000 | $124,496,000 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $9,154,000 | $8,287,000 | $23,528,000 | $21,895,000 | $28,310,000 | $27,982,000 | $32,698,000 |
| Melamine | $1,280,000 | $1,156,000 | $708,000 | $1,100,000 | $1,006,000 | $1,703,000 | $2,170,000 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $63,784,000 | $64,792,000 | $96,397,000 | $177,837,000 | $60,713,000 | $88,717,000 | $104,666,000 |
| 6-Hexanelactam (epsilon-caprolactam) | $236,000 | $156,000 | $165,000 | $235,000 | $128,000 | $163,000 | $56,000 |
| Lactams (excl. of 2933.71 & 2933.72) | $9,222,000 | $11,292,000 | $33,223,000 | $37,723,000 | $30,578,000 | $19,405,000 | $31,306,000 |
| Total | $146,684,000 | $148,862,000 | $257,856,000 | $356,574,000 | $250,887,000 | $266,136,000 | $349,163,000 |
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