Time characteristics
| Characteristic | No. (%) of cases |
|---|---|
| Quarter | |
| January–March | 15 (29) |
| April–June | 11 (22) |
| July–September | 13 (25) |
| October–December | 12 (24) |
| Day of week | |
| Sunday | 6 (12) |
| Monday | 13 (26) |
| Tuesday | 9 (18) |
| Wednesday | 5 (10) |
| Thursday | 11 (22) |
| Friday | 3 (6) |
| Saturday | 4 (8) |
| Time of day | |
| 0600–0959 | 6 (12) |
| 1000–1359 | 18 (35) |
| 1400–1759 | 10 (20) |
| 1800–2159 | 8 (16) |
| 2200–0159 | 9 (18) |