| Value | Category | Cases | |
|---|---|---|---|
| 0 | 35 |
50.7%
|
|
| 1 | 20 |
29%
|
|
| 2 | 12 |
17.4%
|
|
| 3 | 1 |
1.4%
|
|
| 4 | 1 |
1.4%
|
|
| Missing value | 16 |