| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 4449 |
87.1%
|
| 1 | Once | 103 |
2%
|
| 2 | Twice | 55 |
1.1%
|
| 3 | 3-5 times | 57 |
1.1%
|
| 4 | 6 times and more | 73 |
1.4%
|
| 5 | I do not know | 0 |
0%
|
| 6 | Not applicable | 7 |
0.1%
|
| Sysmiss | 361 |