| Value | Category | Cases | |
|---|---|---|---|
| 0 | 289 |
24.7%
|
|
| 1 | 12 |
1%
|
|
| 2 | 5 |
0.4%
|
|
| 3 | 7 |
0.6%
|
|
| 4 | 2 |
0.2%
|
|
| Missing value | 856 |
73.1%
|