| Value | Category | Cases | |
|---|---|---|---|
| 1 | 175 | 
                                                                 
                                    
                                    8.8%
                                 
                                                             | 
                                                        
                    |
| 2 | 555 | 
                                                                 
                                    
                                    27.9%
                                 
                                                             | 
                                                        
                    |
| 3 | 1257 | 
                                                                 
                                    
                                    63.3%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 1 |