| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 218 |
18.2%
|
| 1 | Only sometimes | 558 |
46.5%
|
| 2 | Often | 269 |
22.4%
|
| 3 | Always | 94 |
7.8%
|
| 9 | Don't know | 61 |
5.1%
|
| 998 | Refused | 0 |
0%
|