| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 0 |
0%
|
| 1 | 1. sometimes | 778 |
75.4%
|
| 2 | 2. often | 181 |
17.5%
|
| 3 | 35 |
3.4%
|
|
| 4 | 20 |
1.9%
|
|
| 5 | 18 |
1.7%
|
|
| Sysmiss | 531 |