| Value | Category | Cases | |
|---|---|---|---|
| 0 | Always | 2 |
0.2%
|
| 1 | Often | 0 |
0%
|
| 2 | Sometimes | 201 |
16.3%
|
| 3 | Rarely | 61 |
5%
|
| 4 | Never | 965 |
78.4%
|
| 8 | Refused | 0 |
0%
|
| 9 | Missing | 2 |
0.2%
|
| Sysmiss | 25 |