|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Pyridine & its salts | $1,050 | | | | |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | | | $67,718 | | |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $419,338 | $1,329,525 | $766,041 | $818,422 | $912,069 |
| Lactams (excl. of 2933.71 & 2933.72) | $353 | $675 | | | |
| Total | $420,741 | $1,330,200 | $833,759 | $818,422 | $912,069 |
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