| Value | Category | Cases | |
|---|---|---|---|
| 1 | 57 |
40.4%
|
|
| 2 | 45 |
31.9%
|
|
| 4 | 37 |
26.2%
|
|
| 8 | Refused | 1 |
0.7%
|
| 9 | Missing | 1 |
0.7%
|
| Sysmiss | 1115 |