| Value | Category | Cases | |
|---|---|---|---|
| 1 | Often | 16 |
1.5%
|
| 2 | Sometimes | 97 |
9.3%
|
| 3 | Rarely | 131 |
12.5%
|
| 4 | Never | 792 |
75.7%
|
| Sysmiss | 10 |
1%
|