| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 |
7.1%
|
|
| 2 | 7 |
25%
|
|
| 3 | 17 |
60.7%
|
|
| 4 | 2 |
7.1%
|
|
| Sysmiss | 971 |