| Value | Category | Cases | |
|---|---|---|---|
| -1 | 5 |
8.1%
|
|
| 1 | 13 |
21%
|
|
| 2 | 1 |
1.6%
|
|
| 3 | 34 |
54.8%
|
|
| 4 | 8 |
12.9%
|
|
| 15 | 1 |
1.6%
|
|
| Sysmiss | 987 |