| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 1 | 132 | 
                                                                 
                                    
                                    16.4%
                                 
                                                             | 
                                                        
                    |
| 2 | 170 | 
                                                                 
                                    
                                    21.1%
                                 
                                                             | 
                                                        
                    |
| 3 | 51 | 
                                                                 
                                    
                                    6.3%
                                 
                                                             | 
                                                        
                    |
| 4 | 451 | 
                                                                 
                                    
                                    56%
                                 
                                                             | 
                                                        
                    |
| 6 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 12999 |