| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 900 |
63%
|
| 1 | 1. rarely | 110 |
7.7%
|
| 2 | 2. sometimes | 312 |
21.8%
|
| 3 | 3. often | 40 |
2.8%
|
| 4 | 4. always | 67 |
4.7%
|
| Sysmiss | 134 |