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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $2,623 | $1,560 | $14,766 | $2,413 | $2,077 | $21,018 | $34,989 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $86,309 | $148,758 | $407,466 | $170,774 | $5,635 | $11,204 | $149,355 |
| Hydantoin & its derivs. | $24,620 | $27,825 | $79,665 | $146,062 | $50,797 | $139,011 | $94,362 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $1,100,173 | $684,994 | $765,899 | $834,523 | $812,296 | $466,687 | $642,031 |
| Pyridine & its salts | $93,822 | $79,825 | $8,564 | $4,057 | $44,707 | $90,989 | $54,696 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $65,899,486 | $59,521,551 | $103,621,800 | $75,277,659 | $79,392,592 | $114,245,710 | $142,556,867 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $84,480,199 | $30,468,933 | $85,795,666 | $45,582,927 | $54,603,470 | $82,089,399 | $65,356,572 |
| Melamine | $748,224 | $2,939,028 | $3,235,580 | $310,565 | $1,687,763 | $100,962 | $225,702 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $2,457,237 | $3,115,508 | $2,277,983 | $1,363,211 | $659,734 | $1,822,458 | $2,838,226 |
| 6-Hexanelactam (epsilon-caprolactam) | | $36,376 | $109,006 | $44,175 | $53,091 | | |
| Lactams (excl. of 2933.71 & 2933.72) | $540,586 | $443,293 | $1,400,133 | $2,142,672 | $1,811,573 | $2,104,432 | $2,339,217 |
| Total | $155,433,279 | $97,467,651 | $197,716,528 | $125,879,038 | $139,123,735 | $201,091,870 | $214,292,017 |
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