| Value | Category | Cases | |
|---|---|---|---|
| 0 | 42 |
51.9%
|
|
| 1 | 20 |
24.7%
|
|
| 2 | 3 |
3.7%
|
|
| 3 | 1 |
1.2%
|
|
| Missing value | 15 |
18.5%
|