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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $8,402 | $25,762 | $158,904 | $437,743 | $180 | $2,413 | $13,628 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $75 | $6,114,844 | | | $5,122,126 | $1,036,006 | $365 |
| Hydantoin & its derivs. | $138,338 | $214,893 | $295,068 | $68,352 | $169,332 | $86,022 | $228,587 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $411,463 | $465,456 | $563,698 | $570,465 | $354,835 | $374,222 | $387,861 |
| Pyridine & its salts | | | $2,285 | $4,478 | $5,187 | $6,352 | $4,897 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $40,633,271 | $68,385,825 | $63,813,182 | $92,285,855 | $117,010,753 | $124,927,716 | $138,354,833 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $1,036,458 | $732,964 | $1,123,892 | $2,864,318 | $2,604,914 | $1,740,585 | $1,524,977 |
| Melamine | $4,310 | | | $17,985 | $5,831 | $36,414 | |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $1,374,410 | $792,282 | $1,434,047 | $1,564,974 | $8,769,824 | $2,799,633 | $2,280,149 |
| 6-Hexanelactam (epsilon-caprolactam) | $33,304,520 | $35,681,796 | $59,696,769 | $49,103,980 | $1,722,260 | $13,600 | $1,461,213 |
| Lactams (excl. of 2933.71 & 2933.72) | $1,348,321 | $1,915,666 | $2,271,220 | $2,047,149 | $1,911,953 | $1,760,792 | $2,156,979 |
| Total | $78,259,568 | $114,329,488 | $129,359,065 | $148,965,299 | $137,677,195 | $132,783,755 | $146,413,489 |
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