| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 5929 |
71.9%
|
| 1 | (1-2) times | 1129 |
13.7%
|
| 2 | (3-10) times | 793 |
9.6%
|
| 3 | More than 10 times | 383 |
4.6%
|
| 9 | I don’t know/ no answer | 6 | |
| Sysmiss | 4 |