| Value | Category | Cases | |
|---|---|---|---|
| 1 | 51 | 
                                                                 
                                    
                                    22.7%
                                 
                                                             | 
                                                        
                    |
| 2 | 174 | 
                                                                 
                                    
                                    77.3%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 3 |