| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
3.3%
|
|
| 2 | 30 |
24.8%
|
|
| 3 | 37 |
30.6%
|
|
| 4 | 50 |
41.3%
|
|
| Sysmiss | 10 |