| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 | 
                                                                 
                                    
                                    4.8%
                                 
                                                             | 
                                                        
                    |
| 1 | 110 | 
                                                                 
                                    
                                    65.9%
                                 
                                                             | 
                                                        
                    |
| 2 | 43 | 
                                                                 
                                    
                                    25.7%
                                 
                                                             | 
                                                        
                    |
| 3 | 4 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 4 | 2 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 1527 |