| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 1804 |
90.7%
|
| 2 | Once | 95 |
4.8%
|
| 3 | More than once | 70 |
3.5%
|
| 4 | Not applicable | 14 |
0.7%
|
| Sysmiss | 5 |