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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $123 | | | | | $203 | |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $6,691 | $162 | $872 | | $104,713 | $142,249 | $122,888 |
| Hydantoin & its derivs. | $3,767 | $6,196 | $17,644 | $6,905 | $6,224 | $6,428 | $13,468 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $7,546 | $19,864 | $22,896 | $35,741 | $4,092 | $47,306 | $5,011 |
| Pyridine & its salts | | $10,242 | $4,295 | $3,889 | $3,066 | | $160 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $16,955 | $1,967 | $6,493 | $6,871 | $17,521 | $8,740 | $8,624 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $310 | $216 | $1,827 | $2,691 | $526 | $1,974 | |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $41,072 | $37,563 | $70,054 | $105,860 | $128,736 | $82,154 | $101,836 |
| Lactams (excl. of 2933.71 & 2933.72) | | | $3,965 | | | $165 | |
| Total | $76,464 | $76,210 | $128,046 | $161,957 | $264,878 | $289,219 | $251,987 |
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