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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $379,769 | $331,112 | $574,857 | $842,323 | $516,228 | $827,336 | $2,796,806 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $12,469,793 | $10,058,336 | $11,826,840 | $27,924,155 | $18,712,308 | $27,187,362 | $20,917,354 |
| Hydantoin & its derivs. | $16,634,260 | $19,541,856 | $13,754,747 | $8,730,962 | $30,572,677 | $40,127,027 | $10,796,589 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $53,395,625 | $53,423,689 | $57,770,469 | $84,592,496 | $81,675,114 | $27,085,092 | $27,148,664 |
| Pyridine & its salts | $3,932,127 | $4,438,883 | $2,781,745 | $4,150,059 | $4,330,517 | $4,781,452 | $4,124,885 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $1,484,548,334 | $1,278,147,033 | $1,550,285,308 | $1,235,127,412 | $1,315,864,723 | $1,473,258,603 | $1,703,541,501 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $1,383,344,703 | $866,362,135 | $1,310,882,063 | $1,662,960,397 | $1,812,231,005 | $1,506,743,017 | $1,640,879,390 |
| Melamine | $39,466,712 | $54,929,032 | $64,142,537 | $64,966,392 | $30,889,737 | $39,165,270 | $62,260,208 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $22,103,113 | $20,858,766 | $25,763,388 | $23,758,408 | $29,949,894 | $36,278,762 | $51,673,963 |
| 6-Hexanelactam (epsilon-caprolactam) | $113,656,556 | $105,565,902 | $98,977,464 | $75,172,187 | $37,920,527 | $63,959,635 | $74,588,307 |
| Lactams (excl. of 2933.71 & 2933.72) | $125,222,433 | $171,012,856 | $88,579,532 | $142,638,429 | $90,106,255 | $85,074,684 | $374,725,463 |
| Total | $3,255,153,425 | $2,584,669,600 | $3,225,338,950 | $3,330,863,220 | $3,452,768,985 | $3,304,488,240 | $3,973,453,130 |
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