| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Spontaneously | 196 | 15469 |
3.3%
|
| 2 | After probe | 5080 | 418925 |
89.2%
|
| 3 | No | 453 | 35008 |
7.5%
|
| Sysmiss | 32360 | 0 |