| Value | Category | Cases | |
|---|---|---|---|
| 0 | 765 |
98.8%
|
|
| 1 | 6 |
0.8%
|
|
| 2 | 1 |
0.1%
|
|
| 8 | 2 |
0.3%
|
|
| Missing value | 354 |