| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 4205 |
93.3%
|
| 2 | Once | 100 |
2.2%
|
| 3 | More than once | 159 |
3.5%
|
| 4 | Not applicable | 25 |
0.6%
|
| Sysmiss | 17 |