| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 12 |
23.5%
|
| 2 | 825 | 17 |
33.3%
|
| 3 | 852 | 16 |
31.4%
|
| 4 | 888 | 6 |
11.8%
|
| Sysmiss | 2573 |