| Value | Category | Cases | |
|---|---|---|---|
| -3 | Fieldwork error | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -1 | Missing due to skip | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | 1 | 3031 | 
                                                                 
                                    
                                    22%
                                 
                                                             | 
                                                        
                    
| 2 | 2 | 2621 | 
                                                                 
                                    
                                    19%
                                 
                                                             | 
                                                        
                    
| 3 | 3 | 2358 | 
                                                                 
                                    
                                    17.1%
                                 
                                                             | 
                                                        
                    
| 4 | 4 | 2335 | 
                                                                 
                                    
                                    16.9%
                                 
                                                             | 
                                                        
                    
| 5 | 5 | 1566 | 
                                                                 
                                    
                                    11.4%
                                 
                                                             | 
                                                        
                    
| 6 | 6 | 841 | 
                                                                 
                                    
                                    6.1%
                                 
                                                             | 
                                                        
                    
| 7 | 7+ | 1043 | 
                                                                 
                                    
                                    7.6%
                                 
                                                             |