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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $81,814 | $228,285 | | $78,780 | $70,956 | $14,020 | $18,861 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $30,300 | $28,501 | $99,113 | $33,791 | $76,631 | $102,832 | $46,706 |
| Hydantoin & its derivs. | $748 | $18,058 | $23,262 | $8,754 | $10,724 | $29,439 | $36,828 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $1,354,822 | $957,064 | $1,450,331 | $649,559 | $529,918 | $1,041,392 | $1,185,603 |
| Pyridine & its salts | | $50,033 | $13,585 | $483 | $12,769 | $37,990 | $38,889 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $751,127 | $684,941 | $307,944 | $753,719 | $1,310,560 | $937,285 | $2,097,536 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $810,935 | $1,069,594 | $1,586,329 | $1,835,447 | $1,705,991 | $1,856,057 | $2,587,739 |
| Melamine | $45,906 | $48,659 | $29,666 | $150,995 | $51,799 | $86,990 | $31,896 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $261,580 | $379,150 | $960,424 | $1,248,130 | $1,302,756 | $741,148 | $1,440,754 |
| Lactams (excl. of 2933.71 & 2933.72) | $126,312 | $148,535 | $378,853 | $263,170 | $303,156 | $196,417 | $411,407 |
| Total | $3,463,544 | $3,612,820 | $4,849,507 | $5,022,828 | $5,375,260 | $5,043,570 | $7,896,219 |
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