| Value | Category | Cases | |
|---|---|---|---|
| -9 | 12 |
9%
|
|
| 0 | 29 |
21.6%
|
|
| 1 | 32 |
23.9%
|
|
| 2 | 33 |
24.6%
|
|
| 3 | 12 |
9%
|
|
| 4 | 10 |
7.5%
|
|
| 5 | 4 |
3%
|
|
| 6 | 1 |
0.7%
|
|
| 8 | 1 |
0.7%
|
|
| Sysmiss | 223 |