| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1885 | 
                                    
                                    82.3%
                                 | 
| 2 | 1 | 81 | 
                                    
                                    3.5%
                                 | 
| 3 | 99 | 20 | 
                                    
                                    0.9%
                                 | 
| Missing value | 305 | 
                                    
                                    13.3%
                                 |