| Value | Category | Cases | |
|---|---|---|---|
| -9 | 9 |
1.8%
|
|
| 1 | 14 |
2.8%
|
|
| 2 | 323 |
64.9%
|
|
| 3 | 152 |
30.5%
|
|
| Sysmiss | 103 |