| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 1802 |
90.6%
|
| 2 | Once | 98 |
4.9%
|
| 3 | More than once | 76 |
3.8%
|
| 4 | Not applicable | 7 |
0.4%
|
| Sysmiss | 5 |