| Value | Category | Cases | |
|---|---|---|---|
| 0 | 530 |
75.8%
|
|
| 1 | 105 |
15%
|
|
| 2 | 37 |
5.3%
|
|
| 3 | 27 |
3.9%
|
|
| Sysmiss | 871 |