| Value | Category | Cases | |
|---|---|---|---|
| 1 | P7 | 1017 |
30%
|
| 2 | S1 | 826 |
24.3%
|
| 3 | S2 | 707 |
20.8%
|
| 4 | S3 | 843 |
24.8%
|
| Sysmiss | 57 |