| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 795 |
66.3%
|
| 1 | A few times | 130 |
10.8%
|
| 2 | Often | 84 |
7%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 189 |
15.8%
|