| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 3944 |
77.3%
|
| 1 | Once | 152 |
3%
|
| 2 | Twice | 167 |
3.3%
|
| 3 | 3-5 times | 153 |
3%
|
| 4 | 6 times and more | 321 |
6.3%
|
| 5 | I do not know | 2 |
0%
|
| 6 | Not applicable | 5 |
0.1%
|
| Sysmiss | 361 |