| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 723 |
60.4%
|
| 1 | Just once or twice | 219 |
18.3%
|
| 2 | Several times | 148 |
12.4%
|
| 3 | Many times | 62 |
5.2%
|
| 4 | Always | 46 |
3.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|