|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | | | | | | $21,105 | |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | | | $13,372 | $497 | | | |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $183,900 | $442,597 | $1,708,744 | $2,605,315 | $4,428,351 | $5,404,189 | $2,703,863 |
| Pyridine & its salts | | $5,795 | | | | | |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $819,318 | $451,297 | $706,605 | $1,137,293 | $1,616,180 | $1,662,532 | $1,749,185 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | | $79,112 | $23,676 | $922,837 | $559,554 | $507,604 | $235,421 |
| Melamine | $1,392 | $31,434 | | | | | |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $74,586 | $29,032 | | $10,825 | | $45,415 | $25,356 |
| 6-Hexanelactam (epsilon-caprolactam) | | $51,900 | $46,146 | | | $4,202 | |
| Lactams (excl. of 2933.71 & 2933.72) | $78,724 | $980,267 | $1,196,830 | $633,706 | $598,655 | $1,100,236 | $1,182,529 |
| Total | $1,157,920 | $2,071,434 | $3,695,373 | $5,310,473 | $7,202,740 | $8,745,283 | $5,896,354 |
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