| Value | Category | Cases | |
|---|---|---|---|
| 1 | 28 |
5.8%
|
|
| 2 | 12 |
2.5%
|
|
| 3 | 5 |
1%
|
|
| 4 | 4 |
0.8%
|
|
| Missing value | 431 |
89.8%
|