| Value | Category | Cases | |
|---|---|---|---|
| 1 | 12 |
10.1%
|
|
| 2 | 12 |
10.1%
|
|
| 3 | 76 |
63.9%
|
|
| 4 | 19 |
16%
|
|
| Sysmiss | 3 |