| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17 |
24.3%
|
|
| 1 | 47 |
67.1%
|
|
| 2 | 5 |
7.1%
|
|
| 4 | 1 |
1.4%
|
|
| Missing value | 10 |