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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $1,872,187 | $6,550,520 | $2,326,764 | $2,639,599 | $2,342,691 | $10,189,362 | $7,099,292 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $17,603,366 | $20,166,189 | $28,390,024 | $26,946,893 | $33,223,133 | $68,444,773 | $120,298,330 |
| Hydantoin & its derivs. | $613,657 | $810,069 | $442,720 | $630,781 | $562,744 | $552,387 | $2,905,952 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $37,306,048 | $44,186,452 | $47,809,464 | $52,207,182 | $57,314,729 | $65,538,895 | $80,820,339 |
| Pyridine & its salts | $36,155,905 | $56,352,876 | $77,863,908 | $69,952,154 | $55,759,330 | $76,225,334 | |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $24,421,513 | $42,860,973 | $73,143,812 | $85,734,811 | $121,142,026 | $126,587,905 | $142,750,126 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $16,564,968 | $23,565,101 | $21,086,104 | $56,694,272 | $70,381,215 | $132,186,379 | $104,374,079 |
| Melamine | $699,186 | $34,297 | | $3,716 | $33,029 | $49,145 | $272,322 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $3,249,686 | $8,139,308 | $5,995,279 | $8,800,384 | $7,474,701 | $17,237,435 | $22,139,095 |
| 6-Hexanelactam (epsilon-caprolactam) | $49,581,451 | $32,071,924 | $23,821,269 | $8,645,227 | $21,026,619 | $38,569,796 | $47,165,168 |
| Lactams (excl. of 2933.71 & 2933.72) | $5,122,290 | $6,041,443 | $7,372,839 | $6,477,552 | $8,589,739 | $9,719,738 | $16,988,706 |
| Total | $193,190,257 | $240,779,152 | $288,252,183 | $318,732,571 | $377,849,956 | $545,301,149 | $544,813,409 |
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