| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. never | 46 |
3.2%
|
| 1 | 1. rarely | 90 |
6.3%
|
| 2 | 2. sometimes | 569 |
39.8%
|
| 3 | 3. often | 208 |
14.6%
|
| 4 | 4. always | 516 |
36.1%
|
| Sysmiss | 134 |