| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2386 |
82.7%
|
| 1 | Once | 19 |
0.7%
|
| 2 | Twice | 8 |
0.3%
|
| 3 | 3-5 times | 7 |
0.2%
|
| 4 | 6 times and more | 7 |
0.2%
|
| 5 | I do not know | 0 |
0%
|
| 6 | Not applicable | 459 |
15.9%
|