| Value | Category | Cases | |
|---|---|---|---|
| -2 | 6401 |
78.3%
|
|
| -1 | 803 |
9.8%
|
|
| 0 | 93 |
1.1%
|
|
| 1 | 873 |
10.7%
|
|
| 2 | 5 |
0.1%
|
|
| Sysmiss | 635 |