| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.5%
|
|
| 1 | 40 |
9.4%
|
|
| 2 | 8 |
1.9%
|
|
| 3 | 3 |
0.7%
|
|
| Missing value | 372 |
87.5%
|