| Value | Category | Cases | |
|---|---|---|---|
| 0 | 29 |
51.8%
|
|
| 1 | 20 |
35.7%
|
|
| 2 | 6 |
10.7%
|
|
| 3 | 1 |
1.8%
|
|
| Sysmiss | 1848 |