| Value | Category | Cases | |
|---|---|---|---|
| 1 | 15 |
20.8%
|
|
| 2 | 23 |
31.9%
|
|
| 3 | 31 |
43.1%
|
|
| 4 | 3 |
4.2%
|
|
| Sysmiss | 1029 |