| Value | Category | Cases | |
|---|---|---|---|
| -2 | 5011 |
60.4%
|
|
| -1 | 834 |
10.1%
|
|
| 1 | 2252 |
27.1%
|
|
| 2 | 130 |
1.6%
|
|
| 3 | 41 |
0.5%
|
|
| 4 | 27 |
0.3%
|
|
| Sysmiss | 515 |