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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $71,578 | $75,500 | $47,232 | $122,251 | $139,862 | $212,402 | $139,984 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $254 | $26,187 | $36,938 | $102,165 | $46,535 | $117,485 | $213,101 |
| Hydantoin & its derivs. | $2,552 | $25,290 | $19,865 | $35,583 | $80,045 | $85,523 | $52,784 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $2,178,337 | $1,912,848 | $2,465,241 | $4,069,396 | $3,195,737 | $26,960,811 | $31,356,151 |
| Pyridine & its salts | $164,670 | $232,966 | $89,332 | $21,742 | $394,164 | $74,722 | $92,749 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $1,868,572 | $3,525,169 | $1,872,851 | $2,722,690 | $2,121,271 | $10,734,684 | $16,914,286 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $2,186,624 | $2,036,107 | $1,877,903 | $1,893,136 | $2,797,840 | $5,023,126 | $6,456,074 |
| Melamine | $99,174 | $81,993 | $217,789 | $265,641 | $405,785 | $546,791 | $1,007,885 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $370,579 | $709,097 | $995,580 | $1,992,396 | $1,262,503 | $1,017,625 | $1,245,657 |
| 6-Hexanelactam (epsilon-caprolactam) | $19,122 | $25,702 | $21,887 | $39,202 | $57,293 | | $20,110 |
| Lactams (excl. of 2933.71 & 2933.72) | $18,889 | $20,718 | $46,397 | $93,205 | $543,599 | $1,360,011 | $1,757,397 |
| Total | $6,980,351 | $8,671,577 | $7,691,015 | $11,357,407 | $11,044,634 | $46,133,180 | $59,256,178 |
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