| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 23 |
3.6%
|
| 2 | 2 | 176 |
27.5%
|
| 3 | 3 | 256 |
40%
|
| 4 | 4 | 172 |
26.9%
|
| Missing value | 13 |
2%
|