| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Yes, spontaneously | 453 | 120151 |
10.1%
|
| 2 | Yes, after probing | 500 | 137648 |
11.6%
|
| 3 | No | 142 | 43419 |
3.7%
|
| Sysmiss | 3202 | 888064 |