| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 1855 |
93.3%
|
| 2 | Once | 48 |
2.4%
|
| 3 | More than once | 79 |
4%
|
| 4 | Not applicable | 1 |
0.1%
|
| Sysmiss | 5 |