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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $2,947 | $2,853 | $445 | $6,466 | $922 | $4,730 | $1,079 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $13,127 | $32,063 | $25,227 | $108,072 | $16,333 | $77,078 | $44,248 |
| Hydantoin & its derivs. | $126,315 | $173,901 | $1,291,609 | $1,190,175 | $1,439,683 | $904,903 | $570,595 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $1,535,607 | $2,716,123 | $2,135,517 | $1,540,869 | $1,907,152 | $2,292,169 | $2,270,507 |
| Pyridine & its salts | $95,641 | $80,565 | $895,846 | $1,147,685 | $79,163 | $124,104 | $83,253 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $641,793,375 | $824,281,292 | $935,438,674 | $1,408,064,784 | $1,153,877,945 | $1,113,485,244 | $1,266,672,006 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $4,511,985 | $5,934,522 | $2,811,297 | $7,577,183 | $4,290,335 | $12,559,001 | $4,431,089 |
| Melamine | $6,432,029 | $7,212,561 | $10,968,880 | $12,805,885 | $9,008,228 | $13,696,947 | $15,411,760 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $1,807,392 | $1,840,230 | $3,291,792 | $2,759,678 | $2,832,738 | $2,805,977 | $3,022,101 |
| 6-Hexanelactam (epsilon-caprolactam) | $21,298 | $136 | | | $132 | $139 | $154 |
| Lactams (excl. of 2933.71 & 2933.72) | $822,321 | $611,644 | $915,137 | $1,201,259 | $621,580 | $661,147 | $784,433 |
| Total | $657,162,037 | $842,885,890 | $957,774,424 | $1,436,402,056 | $1,174,074,211 | $1,146,611,439 | $1,293,291,225 |
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