| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 |
36.2%
|
|
| 1 | 25 |
43.1%
|
|
| 2 | 10 |
17.2%
|
|
| 3 | 2 |
3.4%
|
|
| Missing value | 50 |