| Value | Category | Cases | |
|---|---|---|---|
| 1 | 25 |
8.7%
|
|
| 2 | 9 |
3.1%
|
|
| 3 | 1 |
0.3%
|
|
| 5 | 2 |
0.7%
|
|
| Missing value | 250 |
87.1%
|