| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 935 |
39%
|
| 1 | Rarely | 610 |
25.4%
|
| 2 | Often | 566 |
23.6%
|
| 3 | Always | 138 |
5.8%
|
| 9 | Don't know | 151 |
6.3%
|
| 998 | Refused | 0 |
0%
|