| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1854 |
64.2%
|
| 1 | Once | 53 |
1.8%
|
| 2 | Twice | 29 |
1%
|
| 3 | 3-5 times | 23 |
0.8%
|
| 4 | 6 times and more | 35 |
1.2%
|
| 5 | I do not know | 0 |
0%
|
| 6 | Not applicable | 892 |
30.9%
|