| Value | Category | Cases | |
|---|---|---|---|
| 0 | 203 | 
                                                                 
                                    
                                    31.8%
                                 
                                                             | 
                                                        
                    |
| 1 | 256 | 
                                                                 
                                    
                                    40.1%
                                 
                                                             | 
                                                        
                    |
| 2 | 132 | 
                                                                 
                                    
                                    20.7%
                                 
                                                             | 
                                                        
                    |
| 3 | 34 | 
                                                                 
                                    
                                    5.3%
                                 
                                                             | 
                                                        
                    |
| 4 | 8 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 5 | 5 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 2 |