|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $5,090 | $16,111 | $2,560 | $5,450 | $7,725 | $5,956 | $1,234 |
| Hydantoin & its derivs. | | | | | | $849 | $80,103 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $12,970 | $52,366 | $124,033 | $131,318 | $146,582 | $114,782 | $183,835 |
| Pyridine & its salts | | $2,353 | $5,408 | | | | |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $9,300 | $21,480 | $39,346 | $22,190 | $30,804 | $22,428 | $198,780 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $27,510 | $14,564 | $17,442 | $8,840 | $12,607 | $9,140 | $11,184 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $17,030 | $28,008 | $79,156 | $148,513 | $150,863 | $219,838 | $337,240 |
| Lactams (excl. of 2933.71 & 2933.72) | $1,380 | | | | | | $726 |
| Total | $73,280 | $134,882 | $267,945 | $316,311 | $348,581 | $372,993 | $813,102 |
|
|
