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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $168,533 | $173,509 | $225,039 | $244,944 | $192,048 | $156,683 | $154,145 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $3,931 | $7,985 | $8,999 | $3,484 | $16,992 | $8,330 | $25,190 |
| Hydantoin & its derivs. | $70,731 | $98,623 | $111,987 | $125,069 | $118,844 | $87,714 | $93,576 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $127,785 | $141,115 | $141,958 | $229,669 | $172,814 | $523,658 | $266,563 |
| Pyridine & its salts | $8,542 | $1,293 | $7,807 | $15,155 | $4,721 | $36,136 | $99,812 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $3,065,616 | $3,622,925 | $3,978,844 | $6,735,173 | $5,873,138 | $3,872,176 | $5,677,775 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $782,001 | $1,095,741 | $9,277,720 | $8,186,582 | $7,482,661 | $15,739,573 | $33,267,678 |
| Melamine | | $2,754 | $28,364 | $30,193 | $462 | $19,521 | $1,095 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $1,427,044 | $1,758,441 | $1,292,557 | $1,636,423 | $2,040,353 | $1,548,127 | $2,280,579 |
| 6-Hexanelactam (epsilon-caprolactam) | | | | | | $1,089 | |
| Lactams (excl. of 2933.71 & 2933.72) | $322,009 | $1,280,314 | $1,010,644 | $1,070,513 | $1,232,518 | $1,663,353 | $579,755 |
| Total | $5,976,192 | $8,182,700 | $16,083,919 | $18,277,205 | $17,134,551 | $23,656,360 | $42,446,168 |
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