| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 400 |
16.5%
|
| 1 | Only sometimes | 531 |
21.8%
|
| 2 | Often | 619 |
25.5%
|
| 3 | Always | 522 |
21.5%
|
| 9 | Don't know | 359 |
14.8%
|
| 998 | Refused | 0 |
0%
|