| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 518 |
21.6%
|
| 1 | Only sometimes | 1220 |
50.8%
|
| 2 | Often | 556 |
23.2%
|
| 3 | Always | 98 |
4.1%
|
| 9 | Don't know | 8 |
0.3%
|
| 998 | Refused | 0 |
0%
|