| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2489 |
86.2%
|
| 1 | Once | 99 |
3.4%
|
| 2 | Twice | 70 |
2.4%
|
| 3 | 3-5 times | 66 |
2.3%
|
| 4 | 6 times and more | 57 |
2%
|
| 5 | I do not know | 1 |
0%
|
| 6 | Not applicable | 104 |
3.6%
|