| Value | Category | Cases | |
|---|---|---|---|
| 0 | 33 | 
                                                                 
                                    
                                    91.7%
                                 
                                                             | 
                                                        
                    |
| 1 | 1 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             | 
                                                        
                    |
| 2 | 1 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             | 
                                                        
                    |
| 3 | 1 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 12 |