| Value | Category | Cases | |
|---|---|---|---|
| 0 | 40 |
44.4%
|
|
| 1 | 17 |
18.9%
|
|
| 2 | 16 |
17.8%
|
|
| 3 | 10 |
11.1%
|
|
| 4 | 6 |
6.7%
|
|
| Missing value | 1 |
1.1%
|