| Value | Category | Cases | |
|---|---|---|---|
| 0 | 47 |
29.2%
|
|
| 1 | 71 |
44.1%
|
|
| 2 | 33 |
20.5%
|
|
| 3 | 8 |
5%
|
|
| 4 | 2 |
1.2%
|
|
| Missing value | 113 |