| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes (spontaneous) | 19 |
9.4%
|
| 2 | Yes (on recognition) | 159 |
78.3%
|
| 3 | No | 25 |
12.3%
|
| 9 | Refused | 0 |
0%
|
| Sysmiss | 3 |