| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.1%
|
| 0 | Never | 774 |
32.2%
|
| 1 | Only sometimes | 744 |
30.9%
|
| 2 | Often | 531 |
22.1%
|
| 3 | Always | 293 |
12.2%
|
| 9 | Don't know | 62 |
2.6%
|
| 998 | Refused | 0 |
0%
|