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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $37,858 | $3,490 | $14,865 | $4,076 | $19,880 | $78,168 | $164,943 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $713,173 | $946,670 | $672,966 | $1,351,119 | $701,620 | $992,104 | $398,351 |
| Hydantoin & its derivs. | $114,220 | $128,018 | $53,904 | $51,847 | $68,412 | $43,966 | $69,619 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $544,049 | $525,730 | $829,854 | $876,978 | $650,843 | $543,374 | $443,726 |
| Pyridine & its salts | $17,299 | $25,052 | $29,894 | $287,179 | $6,634 | $17,239 | $25,057 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $18,174,231 | $6,319,052 | $23,091,830 | $25,438,482 | $21,122,941 | $12,833,098 | $19,707,315 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $1,178,097 | $453,640 | $1,040,553 | $1,436,934 | $1,688,056 | $2,239,577 | $2,743,465 |
| Melamine | $5,630 | $6,315 | $3,562 | $10,167 | $25,210 | $15,955 | $1,924 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $1,844,882 | $3,635,570 | $1,239,828 | $2,385,051 | $2,216,620 | $383,933 | $2,273,401 |
| Lactams (excl. of 2933.71 & 2933.72) | $493,038 | $598,632 | $602,684 | $746,256 | $354,820 | $669,140 | $839,223 |
| Total | $23,122,477 | $12,642,169 | $27,579,940 | $32,588,089 | $26,855,036 | $17,816,554 | $26,667,024 |
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