| Value | Category | Cases | |
|---|---|---|---|
| 0 | 22 |
47.8%
|
|
| 1 | 10 |
21.7%
|
|
| 2 | 5 |
10.9%
|
|
| 3 | 9 |
19.6%
|
|
| Sysmiss | 68 |