| Value | Category | Cases | |
|---|---|---|---|
| -3 | 11 |
2.8%
|
|
| -2 | 12 |
3%
|
|
| -1 | 74 |
18.5%
|
|
| 0 | 193 |
48.3%
|
|
| 1 | 76 |
19%
|
|
| 2 | 30 |
7.5%
|
|
| 3 | 4 |
1%
|
|
| Sysmiss | 200 |