| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5 |
5.6%
|
|
| 2 | 43 |
48.3%
|
|
| 3 | 19 |
21.3%
|
|
| 4 | 22 |
24.7%
|
|
| Sysmiss | 42 |