| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
1.9%
|
|
| 1 | 345 |
36.2%
|
|
| 2 | 28 |
2.9%
|
|
| 3 | 4 |
0.4%
|
|
| Missing value | 558 |
58.6%
|