| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 39 |
9.2%
|
| 2 | 1 | 120 |
28.4%
|
| 3 | 2 | 28 |
6.6%
|
| 4 | 3 | 8 |
1.9%
|
| Missing value | 227 |
53.8%
|