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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $62 | | | | | $252 | |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | | | | $764 | $318 | $524 | $498 |
| Hydantoin & its derivs. | $8,476 | $2,333 | | | | $76 | $122 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $487,222 | $3,310,126 | $1,766,876 | $1,327,265 | $4,480,247 | $3,512,024 | $4,939,697 |
| Pyridine & its salts | $5,056 | $10,611 | $7,756 | $79,816 | $37,299 | $65,300 | $58,977 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $650,786 | $336,997 | $612,530 | $411,695 | $78,724 | $402,937 | $710,797 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $3,334,905 | $1,319,609 | $230,450 | $214,697 | $2,661,989 | $5,086,894 | $4,537,082 |
| Melamine | $5,581 | | | | $551 | $500 | |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $4,642,599 | $3,248,242 | $1,352,830 | $3,009,754 | $2,060,802 | $2,846,816 | $1,922,389 |
| 6-Hexanelactam (epsilon-caprolactam) | | | | | | $425 | $129 |
| Lactams (excl. of 2933.71 & 2933.72) | $20,594 | $19,560 | $18,412 | $42,411 | $25,147 | $372,411 | $308,951 |
| Total | $9,155,281 | $8,247,478 | $3,988,854 | $5,086,402 | $9,345,077 | $12,288,159 | $12,478,642 |
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