| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 1734 |
87.2%
|
| 2 | Once | 104 |
5.2%
|
| 3 | More than once | 126 |
6.3%
|
| 4 | Not applicable | 19 |
1%
|
| Sysmiss | 5 |