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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Phenazone (antipyrin) & its derivs. | $9,911 | $3,875 | $11,580 | | $1,106 | |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $1,117 | $34,096 | $16,854 | $55,518 | $2,387 | $84,641 |
| Hydantoin & its derivs. | | | | $10 | | |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $280,712 | $144,921 | $115,535 | $481,209 | $78,030 | $1,190,281 |
| Pyridine & its salts | $17,380 | $29,807 | $17,190 | $6,860 | $89 | $79 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $725,130 | $1,905,066 | $3,941,046 | $3,071,732 | $5,819,302 | $12,707,025 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $957,317 | $2,682,013 | $2,310,617 | $5,168,552 | $8,645,461 | $9,248,732 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $1,050,361 | $478,245 | $317,218 | $1,542,063 | $3,146,297 | $2,092,266 |
| Lactams (excl. of 2933.71 & 2933.72) | $112,462 | $57,995 | | $57,759 | $262,738 | $117,066 |
| Total | $3,154,390 | $5,336,018 | $6,730,040 | $10,383,703 | $17,955,410 | $25,440,090 |
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