| Value | Category | Cases | |
|---|---|---|---|
| 0 | 170 |
7.6%
|
|
| 1 | 592 |
26.6%
|
|
| 2 | 771 |
34.6%
|
|
| 3 | 693 |
31.1%
|
|
| Sysmiss | 3 |