| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 3737 |
77.4%
|
| 1 | Rarely | 731 |
15.1%
|
| 2 | Sometimes | 301 |
6.2%
|
| 3 | Often | 62 |
1.3%
|
| Sysmiss | 30 |