| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 1858 |
93.5%
|
| 2 | Once | 25 |
1.3%
|
| 3 | More than once | 18 |
0.9%
|
| 4 | Not applicable | 82 |
4.1%
|
| Sysmiss | 5 |