| Value | Category | Cases | |
|---|---|---|---|
| 0 | 518 |
39.9%
|
|
| 1 | 102 |
7.9%
|
|
| 2 | 12 |
0.9%
|
|
| 3 | 1 |
0.1%
|
|
| Missing value | 666 |
51.3%
|