| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1392 |
58%
|
| 1 | A few times | 392 |
16.3%
|
| 2 | Often | 173 |
7.2%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 443 |
18.5%
|