| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17 |
23.9%
|
|
| 1 | 10 |
14.1%
|
|
| 2 | 2 |
2.8%
|
|
| 3 | 1 |
1.4%
|
|
| Missing value | 41 |
57.7%
|