| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 1 | Very close | 394 | 
                                                                 
                                    
                                    30%
                                 
                                                             | 
                                                        
                    
| 2 | Close | 599 | 
                                                                 
                                    
                                    45.6%
                                 
                                                             | 
                                                        
                    
| 3 | Not very close | 245 | 
                                                                 
                                    
                                    18.7%
                                 
                                                             | 
                                                        
                    
| 4 | Not close at all | 74 | 
                                                                 
                                    
                                    5.6%
                                 
                                                             |