| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 |
29.9%
|
|
| 1 | 27 |
40.3%
|
|
| 2 | 9 |
13.4%
|
|
| 3 | 3 |
4.5%
|
|
| 4 | 4 |
6%
|
|
| 5 | 4 |
6%
|
|
| Sysmiss | 19 |