| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past 12 months | 16272 | 
                                                                 
                                    
                                    82.8%
                                 
                                                             | 
                                                        
                    
| 2 | More than 12 months ago | 2092 | 
                                                                 
                                    
                                    10.6%
                                 
                                                             | 
                                                        
                    
| 3 | I have never been there | 1280 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    
| 9 | Unspecified | 5 | 
                                                                 
                                    
                                    0%
                                 
                                                             |