| Value | Category | Cases | |
|---|---|---|---|
| -8 | 20 |
2.1%
|
|
| 0 | 1 |
0.1%
|
|
| 1 | 795 |
85.1%
|
|
| 2 | 37 |
4%
|
|
| 3 | 11 |
1.2%
|
|
| 4 | 70 |
7.5%
|
|
| Sysmiss | 1704 |