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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | | $2,696,736 | | | | | |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | | $124,382 | | $733,711 | | | |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $39,795,730 | $42,323,824 | $81,991,120 | $67,448,471 | $106,791,853 | $81,463,136 | $73,784,274 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | | | | | $59,124 | $235,548 | $20,530 |
| Total | $39,795,730 | $45,144,942 | $81,991,120 | $68,182,182 | $106,850,977 | $81,698,684 | $73,804,804 |
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