| Value | Category | Cases | |
|---|---|---|---|
| 1 | 4 |
0.5%
|
|
| 2 | 5 |
0.7%
|
|
| 3 | 2 |
0.3%
|
|
| 4 | 1 |
0.1%
|
|
| Missing value | 752 |
98.4%
|