| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 853 |
71.1%
|
| 1 | Only once | 74 |
6.2%
|
| 2 | A few times | 142 |
11.8%
|
| 3 | Often | 123 |
10.3%
|
| 9 | Don't know | 8 |
0.7%
|
| 98 | Refused | 0 |
0%
|