| Value | Category | Cases | |
|---|---|---|---|
| 1 | Often | 20 |
1.6%
|
| 2 | Sometimes | 79 |
6.2%
|
| 3 | Rarely | 160 |
12.5%
|
| 4 | Never | 993 |
77.8%
|
| Sysmiss | 24 |
1.9%
|