| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 965 |
80.4%
|
| 1 | A few times | 127 |
10.6%
|
| 2 | Often | 50 |
4.2%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 56 |
4.7%
|