| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 |
24.1%
|
|
| 1 | 31 |
57.4%
|
|
| 2 | 8 |
14.8%
|
|
| 3 | 2 |
3.7%
|
|
| Sysmiss | 60 |