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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $9,004 | $5,732 | $8,770 | $8,204 | $8,016 | | $653,121 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $217,751 | $540,401 | $221,010 | $180,133 | $82,986 | $64,448 | $402,456 |
| Hydantoin & its derivs. | $80,384 | $157,876 | $182,351 | $109,286 | $161,062 | $144,508 | $189,217 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $1,306,662 | $2,281,131 | $1,616,358 | $1,972,516 | $1,169,882 | $1,672,785 | $1,772,989 |
| Pyridine & its salts | $722,222 | $401,444 | $823,212 | $743,626 | $661,430 | $766,933 | $577,683 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $2,383,792 | $1,459,368 | $2,566,233 | $2,853,082 | $2,197,814 | $2,207,094 | $2,749,760 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $3,694,956 | $4,961,890 | $3,401,486 | $3,810,496 | $3,076,021 | $2,269,780 | $2,845,997 |
| Melamine | $106,424 | $213,077 | $154,573 | $714,926 | $222,167 | $729,018 | $1,327,904 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $1,820,130 | $2,085,849 | $4,514,806 | $4,200,758 | $2,909,387 | $3,266,009 | $5,570,371 |
| 6-Hexanelactam (epsilon-caprolactam) | $174,245 | $224,632 | $251,832 | $43,855 | | $54,581 | $57,957 |
| Lactams (excl. of 2933.71 & 2933.72) | $649,367 | $1,246,660 | $1,489,587 | $646,954 | $379,718 | $865,456 | $1,048,201 |
| Total | $11,164,937 | $13,578,060 | $15,230,218 | $15,283,836 | $10,868,483 | $12,040,612 | $17,195,656 |
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