| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 168 | 
                                                                 
                                    
                                    25.4%
                                 
                                                             | 
                                                        
                    
| 2 | Yes | 52 | 
                                                                 
                                    
                                    7.9%
                                 
                                                             | 
                                                        
                    
| Missing value | 442 | 
                                                                 
                                    
                                    66.8%
                                 
                                                             |