| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 | 
                                                                 
                                    
                                    52.5%
                                 
                                                             | 
                                                        
                    |
| 2 | 3 | 
                                                                 
                                    
                                    7.5%
                                 
                                                             | 
                                                        
                    |
| 3 | 2 | 
                                                                 
                                    
                                    5%
                                 
                                                             | 
                                                        
                    |
| 4 | 2 | 
                                                                 
                                    
                                    5%
                                 
                                                             | 
                                                        
                    |
| 9998 | 12 | 
                                                                 
                                    
                                    30%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 1943 |