| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 |
17.1%
|
|
| 1 | 15 |
18.3%
|
|
| 2 | 21 |
25.6%
|
|
| 3 | 12 |
14.6%
|
|
| 4 | 20 |
24.4%
|
|
| Sysmiss | 2 |