| Value | Category | Cases | |
|---|---|---|---|
| 0 | 12 |
30.8%
|
|
| 1 | 21 |
53.8%
|
|
| 2 | 5 |
12.8%
|
|
| 3 | 1 |
2.6%
|
|
| Sysmiss | 1 |