| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 409 |
32%
|
| 1 | Only sometimes | 539 |
42.2%
|
| 2 | Often | 169 |
13.2%
|
| 3 | Always | 92 |
7.2%
|
| 9 | Don't know | 68 |
5.3%
|
| 998 | Refused | 0 |
0%
|