| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2069 |
71.7%
|
| 1 | Once | 195 |
6.8%
|
| 2 | Twice | 139 |
4.8%
|
| 3 | 3-5 times | 171 |
5.9%
|
| 4 | 6 times and more | 206 |
7.1%
|
| 5 | I do not know | 2 |
0.1%
|
| 6 | Not applicable | 104 |
3.6%
|