| Value | Category | Cases | |
|---|---|---|---|
| 1 | no | 611 |
12%
|
| 2 | Once | 12 |
0.2%
|
| 3 | More than once | 22 |
0.4%
|
| 4 | Not applicable | 4458 |
87.3%
|
| 5 | No Answer / Refused to answer | 0 |
0%
|
| Sysmiss | 2 |