| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2038 |
42.2%
|
| 1 | Rarely | 1072 |
22.2%
|
| 2 | Sometimes | 875 |
18.1%
|
| 3 | Often | 847 |
17.5%
|
| Sysmiss | 29 |