| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 803 |
66.9%
|
| 1 | A few times | 122 |
10.2%
|
| 2 | Often | 48 |
4%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 226 |
18.8%
|