| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 2675 |
92.7%
|
| 1 | Once | 68 |
2.4%
|
| 2 | Twice | 42 |
1.5%
|
| 3 | 3-5 times | 39 |
1.4%
|
| 4 | 6 times and more | 39 |
1.4%
|
| 5 | I do not know | 0 |
0%
|
| 6 | Not applicable | 23 |
0.8%
|