| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 |
0.7%
|
|
| 1 | 20 |
0.6%
|
|
| 2 | 9 |
0.3%
|
|
| 3 | 3 |
0.1%
|
|
| Missing value | 3077 |
98.3%
|