| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 6 |
2.1%
|
| 2 | 3 | 3 |
1.1%
|
| 3 | 4 | 3 |
1.1%
|
| 4 | 5 | 211 |
74.6%
|
| Missing value | 60 |
21.2%
|