| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 | 
                                                                 
                                    
                                    3.4%
                                 
                                                             | 
                                                        
                    |
| 2 | 4 | 
                                                                 
                                    
                                    6.9%
                                 
                                                             | 
                                                        
                    |
| 3 | 6 | 
                                                                 
                                    
                                    10.3%
                                 
                                                             | 
                                                        
                    |
| 4 | 16 | 
                                                                 
                                    
                                    27.6%
                                 
                                                             | 
                                                        
                    |
| 5 | 30 | 
                                                                 
                                    
                                    51.7%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 2 |