| Drug | Non opioid analgesics, antifebrile, anti-rheumatoid agents | 431 (3.7) | 185 (2.7) | 246 (5.0) |
| Anti-epileptics, sedatives, anti-parkinsonism agents, other psychological agents | 832 (7.1) | 476 (7.0) | 356 (7.3) |
| Opioid, hallucinogenic agent | 107 (0.9) | 107 (1.6) | - |
| Other autonomic nervous system related drugs | 90 (0.8) | - | 90 (1.8) |
| Unspecified drugs | 678 (5.8) | 241 (3.6) | 437 (8.9) |
| Alcohol | 222 (1.9) | 62 (0.9) | 160 (3.3) |
| Industrial-substances | Organic solvent, halogenic hydrocarbon | 253 (2.2) | 149 (2.2) | 104 (2.1) |
| Other gas, volatile agents | 1,391 (11.9) | 713 (10.5) | 678 (13.9) |
| Agrichemical | Pesticide, herbicide | 915 (7.8) | 544 (8.0) | 371 (7.6) |
| Unclassified | Unspecified chemical, toxic agents | 6,749 (57.9) | 4,300 (63.4) | 2,449 (50.1) |