| Value | Category | Cases | |
|---|---|---|---|
| -1 | 65 |
0.8%
|
|
| 0 | 6007 |
72.4%
|
|
| 1 | 2000 |
24.1%
|
|
| 2 | 102 |
1.2%
|
|
| 3 | 35 |
0.4%
|
|
| 4 | 86 |
1%
|
|
| Sysmiss | 515 |