| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1660 |
57.5%
|
| 1 | Once | 342 |
11.9%
|
| 2 | Twice | 249 |
8.6%
|
| 3 | 3-5 times | 232 |
8%
|
| 4 | 6 times and more | 298 |
10.3%
|
| 5 | I do not know | 4 |
0.1%
|
| 6 | Not applicable | 101 |
3.5%
|