| Value | Category | Cases | |
|---|---|---|---|
| 2 | 2 |
0.6%
|
|
| 4 | 1 |
0.3%
|
|
| 5 | 1 |
0.3%
|
|
| 23 | 1 |
0.3%
|
|
| Missing value | 303 |
98.4%
|