| Number of drugs | Number of cases (% of total cases) |
|---|---|
| None | 1252 (39) |
| One | 1121 (35) |
| More than one | 839 (26) |
| Kind of drug | Number of cases (% of positive cases) |
|---|---|
| Ethanol | 1272 (76) |
| Cannabinoids | 582 (28) |
| Benzodiazepines | 372 (18) |
| Cocaine | 263 (13) |
| Amphetamines | 191 (9) |
| Opioids | 116 (6) |
| Gamma hydroxybutyrate | 105 (5) |
| Barbiturates | 34 (2) |