| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 289 |
24.1%
|
| 1 | Only sometimes | 270 |
22.5%
|
| 2 | Often | 217 |
18.1%
|
| 3 | Always | 341 |
28.4%
|
| 9 | Don't know | 82 |
6.8%
|
| 998 | Refused | 0 |
0%
|