| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 1459 |
73.4%
|
| 2 | Once | 6 |
0.3%
|
| 3 | More than once | 1 |
0.1%
|
| 4 | Not applicable | 517 |
26%
|
| Sysmiss | 5 |