| Value | Category | Cases | |
|---|---|---|---|
| 1 | no | 1264 |
24.8%
|
| 2 | Once | 1 |
0%
|
| 3 | More than once | 1 |
0%
|
| 4 | Not applicable | 3837 |
75.2%
|
| Sysmiss | 2 |