| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2384 |
82.6%
|
| 1 | Once | 152 |
5.3%
|
| 2 | Twice | 120 |
4.2%
|
| 3 | 3-5 times | 99 |
3.4%
|
| 4 | 6 times and more | 105 |
3.6%
|
| 5 | I do not know | 3 |
0.1%
|
| 6 | Not applicable | 23 |
0.8%
|