| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2927 |
60.6%
|
| 1 | Rarely | 1230 |
25.5%
|
| 2 | Sometimes | 511 |
10.6%
|
| 3 | Often | 162 |
3.4%
|
| Sysmiss | 31 |