| Value | Category | Cases | |
|---|---|---|---|
| -1 | 431 |
1%
|
|
| 1 | 9081 |
20.8%
|
|
| 2 | 23589 |
54%
|
|
| 3 | 10557 |
24.2%
|
|
| Sysmiss | 29 |