| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11 |
11.3%
|
|
| 1 | 29 |
29.9%
|
|
| 2 | 17 |
17.5%
|
|
| 3 | 2 |
2.1%
|
|
| Missing value | 38 |
39.2%
|