| Value | Category | Cases | |
|---|---|---|---|
| 1 | 23 |
34.8%
|
|
| 2 | 15 |
22.7%
|
|
| 3 | 18 |
27.3%
|
|
| 4 | 10 |
15.2%
|
|
| Sysmiss | 129 |