| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 0 | Never | 390 |
32.6%
|
| 1 | Only sometimes | 328 |
27.4%
|
| 2 | Often | 288 |
24%
|
| 3 | Always | 129 |
10.8%
|
| 9 | Don't know | 60 |
5%
|
| 998 | Refused | 0 |
0%
|