| Value | Category | Cases | |
|---|---|---|---|
| 1 | 15 |
10.3%
|
|
| 2 | 39 |
26.7%
|
|
| 3 | 56 |
38.4%
|
|
| 4 | 36 |
24.7%
|
|
| Sysmiss | 12 |