| Value | Category | Cases | |
|---|---|---|---|
| 0 | 19 |
6.9%
|
|
| 1 | 16 |
5.8%
|
|
| 2 | 52 |
19%
|
|
| 3 | 108 |
39.4%
|
|
| 4 | 79 |
28.8%
|
|
| Sysmiss | 10 |