| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 561 |
82.6%
|
| 2 | no | 71 |
10.5%
|
| 3 | no necessary | 47 |
6.9%
|
| 9 | not applicable/miss | 0 |
0%
|
| Sysmiss | 930 |