| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.2%
|
|
| 1 | 5 |
0.8%
|
|
| 2 | 1 |
0.2%
|
|
| 3 | 1 |
0.2%
|
|
| 4 | 1 |
0.2%
|
|
| Missing value | 627 |
98.6%
|