| Value | Category | Cases | |
|---|---|---|---|
| -99 | 13 |
6.8%
|
|
| 1 | 41 |
21.6%
|
|
| 2 | 56 |
29.5%
|
|
| 3 | 62 |
32.6%
|
|
| 4 | 17 |
8.9%
|
|
| 5 | 1 |
0.5%
|
|
| Sysmiss | 1 |