| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Yes, spontaneously | 658 | 184543 |
15.5%
|
| 2 | Yes, after probing | 373 | 97435 |
8.2%
|
| 3 | No | 65 | 19773 |
1.7%
|
| Sysmiss | 3201 | 887531 |