|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | | $8,047 | | | | | |
| Hydantoin & its derivs. | | | | | | | $3 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $20 | | $1,173 | $80 | | | $25,517 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $6,225 | $8,011 | | $590 | | | $46,836 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | | $13,547 | $1,783 | $593 | | $11,905 | $7,471 |
| Melamine | | | | | $38,152 | $19,660 | |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $23,502 | $53,392 | $25,127 | $18,647 | $10,560 | $48,932 | $70,611 |
| Lactams (excl. of 2933.71 & 2933.72) | $11,196 | | $45 | $35,051 | $19,484 | $22,691 | $49,062 |
| Total | $40,943 | $82,997 | $28,128 | $54,961 | $68,196 | $103,188 | $199,500 |
|
|
