| Value | Category | Cases | |
|---|---|---|---|
| 0 | 243 | 
                                                                 
                                    
                                    41.6%
                                 
                                                             | 
                                                        
                    |
| 1 | 136 | 
                                                                 
                                    
                                    23.3%
                                 
                                                             | 
                                                        
                    |
| 2 | 141 | 
                                                                 
                                    
                                    24.1%
                                 
                                                             | 
                                                        
                    |
| 3 | 51 | 
                                                                 
                                    
                                    8.7%
                                 
                                                             | 
                                                        
                    |
| 4 | 12 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    |
| 5 | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 1 |