| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 1891 | 
                                                                 
                                    
                                    95.5%
                                 
                                                             | 
                                                        
                    
| 1 | Yes, first | 83 | 
                                                                 
                                    
                                    4.2%
                                 
                                                             | 
                                                        
                    
| 2 | Yes, second | 5 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| 3 | Yes, third | 2 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 4 | yes, fourth | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1285 |