| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 1858 |
93.5%
|
| 2 | Once | 79 |
4%
|
| 3 | More than once | 42 |
2.1%
|
| 4 | Not applicable | 6 |
0.3%
|
| Sysmiss | 3 |