| Value | Category | Cases | |
|---|---|---|---|
| 1 | 21 |
14.5%
|
|
| 2 | 46 |
31.7%
|
|
| 3 | 47 |
32.4%
|
|
| 4 | 31 |
21.4%
|
|
| Sysmiss | 13 |