| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11 |
20.4%
|
|
| 1 | 28 |
51.9%
|
|
| 2 | 14 |
25.9%
|
|
| 3 | 1 |
1.9%
|
|
| Sysmiss | 60 |