| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 7663 |
93%
|
| 1 | (1-2) times | 293 |
3.6%
|
| 2 | (3-10) times | 173 |
2.1%
|
| 3 | More than 10 times | 106 |
1.3%
|
| 9 | I don’t know/ no answer | 5 | |
| Sysmiss | 4 |