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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $677 | $271,553 | $190,047 | $82,882 | $25,383 | $171,109 | $68,385 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $82,153 | | $78,312 | $10,964 | $8,558 | $15,023 | $140,975 |
| Hydantoin & its derivs. | $140,363 | $175,755 | $135,084 | $336,260 | $62,964 | $111,873 | $184,686 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $1,071,012 | $487,774 | $1,083,182 | $856,865 | $757,827 | $789,447 | $1,006,597 |
| Pyridine & its salts | $6,623 | $16,162 | $31,367 | $2,705 | $8,236 | $8,596 | $12,311 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $1,182,816 | $1,669,929 | $2,097,020 | $3,019,774 | $2,053,405 | $1,634,956 | $3,945,633 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $358,821 | $334,623 | $321,338 | $211,555 | $158,206 | $542,591 | $430,667 |
| Melamine | $10,295 | $11,067 | $26,102 | $21,335 | $21,889 | $15,577 | $16,444 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $455,559 | $655,601 | $1,052,566 | $713,850 | $915,273 | $862,861 | $918,600 |
| Lactams (excl. of 2933.71 & 2933.72) | $18,317 | $16,493 | $43,945 | $5,762 | $10,261 | $6,296 | $33,919 |
| Total | $3,326,636 | $3,638,957 | $5,058,963 | $5,261,952 | $4,022,002 | $4,158,329 | $6,758,217 |
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