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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $1,041,000 | $990,000 | $573,000 | $1,471,000 | $2,274,000 | $2,777,000 | $3,626,000 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $6,608,000 | $486,000 | $144,000 | $178,000 | $97,000 | $196,000 | $92,000 |
| Hydantoin & its derivs. | $153,000 | $258,000 | $235,000 | $191,000 | $89,000 | $103,000 | $130,000 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $99,055,000 | $115,762,000 | $122,055,000 | $119,171,000 | $40,222,000 | $116,605,000 | $108,882,000 |
| Pyridine & its salts | $1,864,000 | $1,700,000 | $404,000 | $774,000 | $901,000 | $239,000 | $288,000 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $7,732,000 | $8,025,000 | $11,485,000 | $9,782,000 | $10,604,000 | $17,937,000 | $20,215,000 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $2,245,000 | $3,795,000 | $5,697,000 | $8,553,000 | $9,951,000 | $7,913,000 | $11,590,000 |
| Melamine | $212,000 | $289,000 | $355,000 | $413,000 | $429,000 | $346,000 | $675,000 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $1,992,000 | $983,000 | $4,266,000 | $4,392,000 | $5,243,000 | $6,394,000 | $2,269,000 |
| 6-Hexanelactam (epsilon-caprolactam) | $212,000 | | $522,000 | $462,000 | $281,000 | $451,000 | $575,000 |
| Lactams (excl. of 2933.71 & 2933.72) | $3,260,000 | $4,206,000 | $4,870,000 | $6,290,000 | $5,710,000 | $5,822,000 | $3,423,000 |
| Total | $124,374,000 | $136,494,000 | $150,606,000 | $151,677,000 | $75,801,000 | $158,783,000 | $151,765,000 |
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