| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes (spontaneous) | 176 |
86.7%
|
| 2 | Yes (on recognition) | 26 |
12.8%
|
| 3 | No | 1 |
0.5%
|
| 9 | Refused | 0 |
0%
|
| Sysmiss | 3 |