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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $4,413 | $6,826 | $4,499 | $6,661 | $5,952 | $15,481 | $11,113 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $9,866 | $21,511 | $24,135 | $182,730 | | $3,335 | $142,793 |
| Hydantoin & its derivs. | $137,805 | $106,038 | $160,125 | $680,269 | $199,670 | $131,159 | $132,885 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $474,485 | $478,146 | $568,348 | $612,581 | $614,919 | $359,402 | $518,095 |
| Pyridine & its salts | $652,495 | $123,934 | $7,130 | $20,022 | $68,102 | $106,305 | $39,701 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $64,896,559 | $117,368,907 | $146,502,931 | $118,215,739 | $103,288,887 | $122,704,456 | $99,775,970 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $50,909,945 | $20,735,535 | $58,208,534 | $32,981,955 | $43,454,062 | $61,553,923 | $28,709,624 |
| Melamine | $963,817 | $3,124,687 | $3,102,722 | $500,737 | $15,972 | $7,992 | $31,215 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $1,554,956 | $2,010,249 | $1,826,876 | $1,746,662 | $1,233,483 | $1,920,552 | $3,268,283 |
| 6-Hexanelactam (epsilon-caprolactam) | $100,289 | $36,376 | $17 | $44,175 | $167,649 | $106,678 | $45,815 |
| Lactams (excl. of 2933.71 & 2933.72) | $4,749,562 | $1,997,446 | $2,663,994 | $3,293,439 | $1,901,746 | $1,758,292 | $2,171,587 |
| Total | $124,454,192 | $146,009,655 | $213,069,311 | $158,284,970 | $150,950,442 | $188,667,575 | $134,847,081 |
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