| Value | Category | Cases | |
|---|---|---|---|
| 1 | no | 1200 |
23.5%
|
| 2 | Once | 4 |
0.1%
|
| 3 | More than once | 3 |
0.1%
|
| 4 | Not applicable | 3896 |
76.3%
|
| 5 | No Answer / Refused to answer | 0 |
0%
|
| Sysmiss | 2 |