| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11 |
19.3%
|
|
| 1 | 26 |
45.6%
|
|
| 2 | 15 |
26.3%
|
|
| 3 | 5 |
8.8%
|
|
| Sysmiss | 1 |