| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 |
11.6%
|
|
| 2 | 31 |
25.6%
|
|
| 3 | 38 |
31.4%
|
|
| 4 | 38 |
31.4%
|
|
| Sysmiss | 10 |