| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 573 | 
                            
                             
                                
                                74.4%
                                                             
                            
                         | 
                        
                    
| 2 | 1-5 | 165 | 
                            
                             
                                
                                21.4%
                                                             
                            
                         | 
                        
                    
| 5 | 6+ | 32 | 
                            
                             
                                
                                4.2%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 441 |