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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $3,051 | $4,061 | $187 | $547 | $18 | $505 | $932 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $15,749 | $22,014 | $62,168 | $80,276 | $4,179 | $86,695 | $77,572 |
| Hydantoin & its derivs. | $8,681 | $6,487 | $2,449 | $3,075 | $912 | $2,320 | $3,686 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $14,100 | $8,424 | $6,742 | $17,044 | $1,152 | $77,427 | $35,260 |
| Pyridine & its salts | $5,890 | $16,826 | $48,004 | $25,747 | $17,941 | $25,476 | $34,690 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $230,323 | $317,798 | $435,429 | $298,663 | $234,859 | $431,167 | $427,169 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $111,695 | $117,783 | $135,389 | $133,863 | $179,058 | $270,949 | $283,793 |
| Melamine | $638,116 | $372,343 | | $36 | $5,313 | $21 | $26 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $11,434 | $21,927 | $66,130 | $23,817 | $16,753 | $13,336 | $33,263 |
| 6-Hexanelactam (epsilon-caprolactam) | $94,719 | $115,162 | | | | | |
| Lactams (excl. of 2933.71 & 2933.72) | $30,432 | $35,141 | $64,268 | $34,500 | $42,235 | $80,077 | $209,459 |
| Total | $1,164,190 | $1,037,966 | $820,766 | $617,568 | $502,420 | $987,973 | $1,105,850 |
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