| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 393 |
32.8%
|
| 1 | Only sometimes | 210 |
17.5%
|
| 2 | Often | 358 |
29.8%
|
| 3 | Always | 183 |
15.3%
|
| 9 | Don't know | 55 |
4.6%
|
| 998 | Refused | 0 |
0%
|