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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $962 | $4,090 | $959 | $3,689 | $4,498 | $4,898 | $2,601 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $6,155,396 | $4,950,987 | $2,363,186 | $3,521,404 | $4,300,578 | $6,949,802 | $29,436,368 |
| Hydantoin & its derivs. | $5,400,650 | $4,514,204 | $4,772,878 | $4,486,719 | $3,607,819 | $7,648,244 | $14,613,005 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $35,123,259 | $23,344,604 | $6,949,433 | $9,141,994 | $13,389,937 | $10,694,026 | $14,656,539 |
| Pyridine & its salts | $40,749,079 | $55,650,658 | $113,812,365 | $64,959,389 | $30,087,612 | $10,138,977 | $11,016,885 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $84,800,718 | $67,146,628 | $75,510,676 | $88,349,520 | $110,103,036 | $205,765,800 | $218,140,032 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $28,198,377 | $20,820,991 | $32,761,935 | $44,763,572 | $41,426,045 | $130,907,288 | $117,592,331 |
| Melamine | $18,791,051 | $15,986,104 | $23,240,034 | $36,766,622 | $25,454,979 | $33,032,006 | $34,983,913 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $32,800,403 | $30,384,836 | $29,143,830 | $56,129,208 | $34,458,805 | $26,527,744 | $32,902,740 |
| 6-Hexanelactam (epsilon-caprolactam) | $598,601 | $717,218 | $687,147 | $688,187 | $306,319 | $506,061 | $505,630 |
| Lactams (excl. of 2933.71 & 2933.72) | $48,204,501 | $35,697,154 | $10,870,568 | $3,273,648 | $4,371,223 | $5,186,897 | $8,814,925 |
| Total | $300,822,997 | $259,217,474 | $300,113,011 | $312,083,952 | $267,510,851 | $437,361,743 | $482,664,969 |
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