| Value | Category | Cases | |
|---|---|---|---|
| -2 | 20957 |
48%
|
|
| -1 | 184 |
0.4%
|
|
| 1 | 21815 |
49.9%
|
|
| 2 | 727 |
1.7%
|
|
| Sysmiss | 4 |