| Value | Category | Cases | |
|---|---|---|---|
| 0 | Always | 10 |
0.8%
|
| 1 | Often | 5 |
0.4%
|
| 2 | Sometimes | 151 |
12.3%
|
| 3 | Rarely | 37 |
3%
|
| 4 | Never | 1022 |
83%
|
| 8 | Refused | 0 |
0%
|
| 9 | Missing | 6 |
0.5%
|
| Sysmiss | 25 |