| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1689 |
58.5%
|
| 1 | Once | 92 |
3.2%
|
| 2 | Twice | 75 |
2.6%
|
| 3 | 3-5 times | 67 |
2.3%
|
| 4 | 6 times and more | 66 |
2.3%
|
| 5 | I do not know | 2 |
0.1%
|
| 6 | Not applicable | 895 |
31%
|