| Value | Category | Cases | |
|---|---|---|---|
| 1 | 9 |
17.6%
|
|
| 2 | 20 |
39.2%
|
|
| 3 | 19 |
37.3%
|
|
| 4 | 3 |
5.9%
|
|
| Sysmiss | 63 |