| Value | Category | Cases | |
|---|---|---|---|
| 0 | Always | 516 |
14.4%
|
| 1 | Often | 77 |
2.2%
|
| 2 | Sometimes | 146 |
4.1%
|
| 3 | Rarely | 73 |
2%
|
| 4 | Never | 2738 |
76.6%
|
| 8 | Refused | 2 |
0.1%
|
| 9 | Missing | 22 |
0.6%
|
| Sysmiss | 45 |