| Value | Category | Cases | |
|---|---|---|---|
| -9 | 2 |
1.7%
|
|
| 1 | 3 |
2.5%
|
|
| 2 | 6 |
5%
|
|
| 3 | 103 |
85.8%
|
|
| 4 | 6 |
5%
|
|
| Sysmiss | 31 |