| Value | Category | Cases | |
|---|---|---|---|
| 1 | S1 | 368 |
28.2%
|
| 2 | S2 | 308 |
23.6%
|
| 3 | S3 | 391 |
30%
|
| 4 | S4 | 236 |
18.1%
|
| Sysmiss | 18 |