| Value | Category | Cases | |
|---|---|---|---|
| 1 | Often | 28 |
2.7%
|
| 2 | Sometimes | 93 |
8.9%
|
| 3 | Rarely | 171 |
16.3%
|
| 4 | Never | 744 |
71.1%
|
| Sysmiss | 10 |
1%
|