| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 799 |
66.6%
|
| 1 | Only sometimes | 236 |
19.7%
|
| 2 | Often | 139 |
11.6%
|
| 3 | Always | 23 |
1.9%
|
| 9 | Don't know | 3 |
0.3%
|
| 998 | Refused | 0 |
0%
|