| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
1%
|
|
| 1 | 39 |
9.9%
|
|
| 2 | 14 |
3.6%
|
|
| 3 | 1 |
0.3%
|
|
| Missing value | 334 |
85.2%
|