| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 1121 | 
                                                                 
                                    
                                    62.7%
                                 
                                                             | 
                                                        
                    
| 1 | yes | 536 | 
                                                                 
                                    
                                    30%
                                 
                                                             | 
                                                        
                    
| 2 | 114 | 
                                                                 
                                    
                                    6.4%
                                 
                                                             | 
                                                        
                    |
| 3 | 18 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 420 |