| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1902 |
65.9%
|
| 1 | Once | 58 |
2%
|
| 2 | Twice | 34 |
1.2%
|
| 3 | 3-5 times | 26 |
0.9%
|
| 4 | 6 times and more | 18 |
0.6%
|
| 5 | I do not know | 0 |
0%
|
| 6 | Not applicable | 848 |
29.4%
|