| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 1703 |
54.1%
|
| 1 | Once | 4 |
0.1%
|
| 2 | More than once | 5 |
0.2%
|
| 3 | Not applicable | 1432 |
45.5%
|
| 4 | No answer/ refused to | 5 |
0.2%
|
| Sysmiss | 1 |