| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20 |
14%
|
|
| 2 | 43 |
30.1%
|
|
| 3 | 38 |
26.6%
|
|
| 4 | 42 |
29.4%
|
|
| Sysmiss | 15 |