| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 5877 |
71.3%
|
| 1 | (1-2) times | 1052 |
12.8%
|
| 2 | (3-10) times | 886 |
10.7%
|
| 3 | More than 10 times | 420 |
5.1%
|
| 9 | I don’t know/ no answer | 5 | |
| Sysmiss | 4 |