| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1312 |
45.5%
|
| 1 | Once | 189 |
6.5%
|
| 2 | Twice | 150 |
5.2%
|
| 3 | 3-5 times | 164 |
5.7%
|
| 4 | 6 times and more | 175 |
6.1%
|
| 5 | I do not know | 2 |
0.1%
|
| 6 | Not applicable | 894 |
31%
|