| Value | Category | Cases | |
|---|---|---|---|
| -3 | illegal missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -2 | dont know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -1 | refuse | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | 141 | 
                                                                 
                                    
                                    88.1%
                                 
                                                             | 
                                                        
                    |
| 1 | 15 | 
                                                                 
                                    
                                    9.4%
                                 
                                                             | 
                                                        
                    |
| 2 | 3 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 5 | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 865 |