| Value | Category | Cases | |
|---|---|---|---|
| -99 | 13 |
6.8%
|
|
| 1 | 67 |
35.3%
|
|
| 2 | 36 |
18.9%
|
|
| 3 | 61 |
32.1%
|
|
| 4 | 11 |
5.8%
|
|
| 5 | 2 |
1.1%
|
|
| Sysmiss | 1 |