| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1- | 6 |
24%
|
| 1 | 3- | 4 |
16%
|
| 2 | 6- | 7 |
28%
|
| 3 | 8- | 8 |
32%
|
| 4 | 17- | 0 |
0%
|
| Sysmiss | 15 |