| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1505 |
52.1%
|
| 1 | Once | 357 |
12.4%
|
| 2 | Twice | 309 |
10.7%
|
| 3 | 3-5 times | 284 |
9.8%
|
| 4 | 6 times and more | 326 |
11.3%
|
| 5 | I do not know | 3 |
0.1%
|
| 6 | Not applicable | 102 |
3.5%
|