| Value | Category | Cases | |
|---|---|---|---|
| -2 | 7225 |
87.1%
|
|
| -1 | 223 |
2.7%
|
|
| 1 | 730 |
8.8%
|
|
| 2 | 101 |
1.2%
|
|
| 3 | 16 |
0.2%
|
|
| Sysmiss | 515 |