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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $200,317 | $205,751 | $166,328 | $173,153 | $259,307 | $223,189 | $200,464 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | | $8,358 | $51,658 | $28,574 | $25,539 | $15,186 | $39,578 |
| Hydantoin & its derivs. | $7,894 | $5,300 | $5,143 | $12,386 | $9,807 | $22,726 | $23,217 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $41,658 | $56,198 | $81,272 | $119,024 | $100,324 | $121,725 | $151,017 |
| Pyridine & its salts | $5,749 | $10,987 | $2,560 | $2,330 | $1,906 | $3,758 | $5,611 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $200,606 | $138,499 | $146,377 | $215,955 | $252,146 | $250,222 | $381,347 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $61,377 | $110,854 | $203,528 | $357,289 | $504,483 | $519,989 | $647,633 |
| Melamine | $11,693 | $23,804 | $54,773 | | $530 | $20 | $31,703 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $36,029 | $22,891 | $14,286 | $46,289 | $97,145 | $101,159 | $154,501 |
| 6-Hexanelactam (epsilon-caprolactam) | | | $347 | | | $797 | $6,986 |
| Lactams (excl. of 2933.71 & 2933.72) | | $719 | | $2,963 | $7,321 | $7,235 | $12,342 |
| Total | $565,323 | $583,361 | $726,272 | $957,963 | $1,258,508 | $1,266,006 | $1,654,399 |
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