| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Yes, spontaneously | 230 | 57799 |
4.9%
|
| 2 | Yes, after probing | 454 | 132896 |
11.2%
|
| 3 | No | 1516 | 419621 |
35.3%
|
| Sysmiss | 2097 | 578966 |