| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 4026 |
78.9%
|
| 1 | Once | 171 |
3.3%
|
| 2 | Twice | 173 |
3.4%
|
| 3 | 3-5 times | 183 |
3.6%
|
| 4 | More than 6 times | 185 |
3.6%
|
| 5 | I do not know | 1 |
0%
|
| 6 | Not applicable | 5 |
0.1%
|
| Sysmiss | 361 |