|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | | | | | $136 | | |
| Hydantoin & its derivs. | | | $631 | | | | |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | | | | | $130,787 | | |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $1,096 | $3,035 | $9,717 | $10,541 | $2,487 | $5,226 | $13,942 |
| 6-Hexanelactam (epsilon-caprolactam) | | | | $1,373 | | | |
| Lactams (excl. of 2933.71 & 2933.72) | | | | $36,939 | | | |
| Total | $1,096 | $3,035 | $10,348 | $48,853 | $133,410 | $5,226 | $13,942 |
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