| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 140 |
33.3%
|
| 2 | 2 | 51 |
12.1%
|
| 3 | 3 | 71 |
16.9%
|
| 4 | 4 | 57 |
13.5%
|
| Missing value | 102 |
24.2%
|