| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 638 | 
                                                                 
                                    
                                    6.4%
                                 
                                                             | 
                                                        
                    
| 2 | No | 8630 | 
                                                                 
                                    
                                    86.5%
                                 
                                                             | 
                                                        
                    
| 98 | Don't know | 709 | 
                                                                 
                                    
                                    7.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 60659 |