| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
1.9%
|
|
| 1 | 31 |
57.4%
|
|
| 2 | 16 |
29.6%
|
|
| 3 | 6 |
11.1%
|
|
| Missing value | 33 |