| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 |
3.9%
|
|
| 2 | 7 |
13.7%
|
|
| 3 | 27 |
52.9%
|
|
| 4 | 15 |
29.4%
|
|
| Sysmiss | 63 |