| Value | Category | Cases | |
|---|---|---|---|
| 0 | 121 | 
                                                                 
                                    
                                    17.7%
                                 
                                                             | 
                                                        
                    |
| 1 | 356 | 
                                                                 
                                    
                                    52.1%
                                 
                                                             | 
                                                        
                    |
| 2 | 147 | 
                                                                 
                                    
                                    21.5%
                                 
                                                             | 
                                                        
                    |
| 3 | 42 | 
                                                                 
                                    
                                    6.1%
                                 
                                                             | 
                                                        
                    |
| 4 | 15 | 
                                                                 
                                    
                                    2.2%
                                 
                                                             | 
                                                        
                    |
| 5 | 2 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 1 |