| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 4 |
1.2%
|
| 2 | 2 | 20 |
6.2%
|
| 3 | 3 | 67 |
20.6%
|
| 4 | 98 | 10 |
3.1%
|
| Missing value | 224 |
68.9%
|