| Value | Category | Cases | |
|---|---|---|---|
| 1 | 9 |
11.5%
|
|
| 2 | 10 |
12.8%
|
|
| 3 | 41 |
52.6%
|
|
| 4 | 18 |
23.1%
|
|
| Sysmiss | 921 |