| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | Never | 370 |
30.9%
|
| 1 | Only sometimes | 273 |
22.8%
|
| 2 | Often | 212 |
17.7%
|
| 3 | Always | 128 |
10.7%
|
| 9 | Don't know | 214 |
17.9%
|
| 998 | Refused | 0 |
0%
|