| Value | Category | Cases | |
|---|---|---|---|
| 0 | Always | 169 |
13.7%
|
| 1 | Often | 3 |
0.2%
|
| 2 | Sometimes | 5 |
0.4%
|
| 3 | Rarely | 11 |
0.9%
|
| 4 | Never | 1029 |
83.6%
|
| 8 | Refused | 0 |
0%
|
| 9 | Missing | 14 |
1.1%
|
| Sysmiss | 25 |