| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Spontaneously | 1003 | 83697 |
17.8%
|
| 2 | After probe | 3180 | 259202 |
55.2%
|
| 3 | No | 1546 | 126504 |
26.9%
|
| Sysmiss | 32360 | 0 |