| Value | Category | Cases | |
|---|---|---|---|
| 1 | Up to six months ago | 106 | 
                                                                 
                                    
                                    3%
                                 
                                                             | 
                                                        
                    
| 2 | Over 6 months ago but up to one year ago | 181 | 
                                                                 
                                    
                                    5.2%
                                 
                                                             | 
                                                        
                    
| 3 | Over a year ago, but less than 2 years ago | 552 | 
                                                                 
                                    
                                    15.8%
                                 
                                                             | 
                                                        
                    
| 4 | 2 years or more ago but less than 5 years ago | 999 | 
                                                                 
                                    
                                    28.7%
                                 
                                                             | 
                                                        
                    
| 5 | 5 years ago or more | 1536 | 
                                                                 
                                    
                                    44.1%
                                 
                                                             | 
                                                        
                    
| 6 | Do not know/Can not remember | 110 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 8996 |