| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 5120 |
62.1%
|
| 1 | (1-2) times | 1232 |
14.9%
|
| 2 | (3-10) times | 1125 |
13.6%
|
| 3 | More than 10 times | 755 |
9.2%
|
| 9 | I don’t know/ no answer | 8 | |
| Sysmiss | 4 |