| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
8.2%
|
|
| 1 | 25 |
25.8%
|
|
| 2 | 3 |
3.1%
|
|
| 4 | 1 |
1%
|
|
| Missing value | 60 |
61.9%
|