| Value | Category | Cases | |
|---|---|---|---|
| 1 | 55 |
8.4%
|
|
| 2 | 7 |
1.1%
|
|
| 3 | 18 |
2.7%
|
|
| 4 | 58 |
8.8%
|
|
| Missing value | 518 |
79%
|