| Value | Category | Cases | |
|---|---|---|---|
| 1 | First most severe | 1006 |
25.5%
|
| 2 | Second most severe | 860 |
21.8%
|
| 3 | Third most severe | 702 |
17.8%
|
| 9 | Missing | 1380 |
35%
|
| Sysmiss | 15113 |