| Value | Category | Cases | |
|---|---|---|---|
| -2 | 818 |
8.4%
|
|
| -1 | 189 |
1.9%
|
|
| 1 | 6429 |
65.9%
|
|
| 2 | 2039 |
20.9%
|
|
| 3 | 223 |
2.3%
|
|
| 4 | 64 |
0.7%
|
|
| Sysmiss | 33925 |