| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Yes (Main source) | 278 | 288 | 
                                                                 
                                    
                                    10.8%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | Yes (Secondary source) | 382 | 404 | 
                                                                 
                                    
                                    15.1%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | No | 1700 | 1973 | 
                                                                 
                                    
                                    74%
                                 
                                                             | 
                            
                        
                        
                            
                    
| Sysmiss | 3 | 3 |