| Value | Category | Cases | |
|---|---|---|---|
| -9 | 1 |
2.5%
|
|
| 1 | 25 |
62.5%
|
|
| 2 | 6 |
15%
|
|
| 3 | 7 |
17.5%
|
|
| 4 | 1 |
2.5%
|
|
| Sysmiss | 169 |