| Value | 
                    Category | 
                                            Cases |                     
                     | 
                                    
                                                        
                        | 0 | 
                         | 
                                                6627 |                         
                        
                                                            66.1%
                                                     | 
                                            
                                                        
                        | 1 | 
                         | 
                                                2551 |                         
                        
                                                            25.5%
                                                     | 
                                            
                                                        
                        | 2 | 
                         | 
                                                654 |                         
                        
                                                            6.5%
                                                     | 
                                            
                                                        
                        | 3 | 
                         | 
                                                134 |                         
                        
                                                            1.3%
                                                     | 
                                            
                                                        
                        | 4 | 
                         | 
                                                41 |                         
                        
                                                            0.4%
                                                     | 
                                            
                                                        
                        | 5 | 
                         | 
                                                11 |                         
                        
                                                            0.1%
                                                     | 
                                            
                                                        
                        | 6 | 
                         | 
                                                5 |                         
                        
                                                            0%
                                                     | 
                                            
                                                        
                        | Sysmiss | 
                         | 
                                                71842 |                         
                        
                                                     | 
                                            
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.