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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $114 | $1,578 | $1,469 | | $8,930 | $44 | $2,266 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $6,698 | $72,586 | $10,208 | $6,543 | $8,965 | $6,224 | $46,908 |
| Hydantoin & its derivs. | $14,501 | $3,003 | $4,728 | $3,689 | $8,399 | $7,764 | $8,880 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $36,067 | $15,667 | $138,333 | $46,712 | $9,015 | $19,996 | $36,143 |
| Pyridine & its salts | $6,430 | $14,980 | $10 | | | $303 | $551 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $260,108 | $1,537,067 | $760,367 | $1,314,150 | $423,688 | $6,185,854 | $4,686,139 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $3,642,229 | $5,877,473 | $7,861,186 | $5,640,154 | $3,383,376 | $3,370,540 | $1,708,283 |
| Melamine | $4,694 | $10,015 | $1,871 | $7,275 | $492 | $190,064 | $14,734 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $594,969 | $656,795 | $2,117,237 | $143,358 | $393,285 | $587,037 | $735,374 |
| 6-Hexanelactam (epsilon-caprolactam) | $14,020 | $1,076 | $3,513 | $125,689 | | $42,160 | $45 |
| Lactams (excl. of 2933.71 & 2933.72) | $20,606 | $9,078 | $92,796 | $17,940 | $149,116 | | |
| Total | $4,600,436 | $8,199,318 | $10,991,718 | $7,305,510 | $4,385,266 | $10,409,986 | $7,239,323 |
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