| Value | Category | Cases | |
|---|---|---|---|
| 1 | 21 |
72.4%
|
|
| 2 | 2 |
6.9%
|
|
| 3 | 3 |
10.3%
|
|
| 4 | 3 |
10.3%
|
|
| Sysmiss | 2 |