| Value | Category | Cases | |
|---|---|---|---|
| 1 | 29 |
8.8%
|
|
| 2 | 61 |
18.5%
|
|
| 3 | 95 |
28.9%
|
|
| 4 | 144 |
43.8%
|
|
| Sysmiss | 104 |