| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Spontaneously | 1408 | 113426 |
24.2%
|
| 2 | After probe | 2116 | 173726 |
37%
|
| 3 | No | 2205 | 182252 |
38.8%
|
| Sysmiss | 32360 | 0 |