| Value | Category | Cases | |
|---|---|---|---|
| 1 | No | 72 | 
                                                                 
                                    
                                    4.2%
                                 
                                                             | 
                                                        
                    
| 2 | Sometimes | 7 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| 3 | Yes | 23 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    
| Missing value | 1602 | 
                                                                 
                                    
                                    94%
                                 
                                                             |