| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 338 |
28.2%
|
| 1 | Only sometimes | 316 |
26.4%
|
| 2 | Often | 248 |
20.7%
|
| 3 | Always | 185 |
15.5%
|
| 9 | Don't know | 109 |
9.1%
|
| 998 | Refused | 0 |
0%
|