| Value | Category | Cases | |
|---|---|---|---|
| -8 | Refused | 0 |
0%
|
| 0 | 58 |
33.9%
|
|
| 1 | 95 |
55.6%
|
|
| 2 | 17 |
9.9%
|
|
| 4 | 1 |
0.6%
|
|
| Sysmiss | 915 |