| Value | Category | Cases | |
|---|---|---|---|
| 1 | Stage 1 | 463 |
29.1%
|
| 2 | Stage 2 | 403 |
25.3%
|
| 3 | Stage 3 | 636 |
40%
|
| 4 | Stage 4 | 88 |
5.5%
|
| Sysmiss | 3772 |