| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 971 |
20.1%
|
| 1 | Rarely | 1105 |
22.9%
|
| 2 | Sometimes | 1535 |
31.8%
|
| 3 | Often | 1219 |
25.2%
|
| Sysmiss | 31 |