| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 202 | 
                                                                 
                                    
                                    5.4%
                                 
                                                             | 
                                                        
                    
| 2 | 1 | 419 | 
                                                                 
                                    
                                    11.1%
                                 
                                                             | 
                                                        
                    
| 3 | 2 | 625 | 
                                                                 
                                    
                                    16.6%
                                 
                                                             | 
                                                        
                    
| 4 | 3 or more | 2527 | 
                                                                 
                                    
                                    67%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 33 |