| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 440 |
36.7%
|
| 1 | Only sometimes | 398 |
33.2%
|
| 2 | Often | 186 |
15.5%
|
| 3 | Always | 102 |
8.5%
|
| 9 | Don't know | 74 |
6.2%
|
| 998 | Refused | 0 |
0%
|