| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 694 |
34.9%
|
| 2 | Once | 31 |
1.6%
|
| 3 | More than once | 24 |
1.2%
|
| 4 | Not applicable | 1234 |
62.1%
|
| Sysmiss | 5 |