| Value | Category | Cases | |
|---|---|---|---|
| 1 | During last 12 months | 43 | 
                                    
                                    21.4%
                                 | 
| 2 | 2 years ago | 17 | 
                                    
                                    8.5%
                                 | 
| 3 | 3 years ago | 18 | 
                                    
                                    9%
                                 | 
| 4 | 4 years ago | 7 | 
                                    
                                    3.5%
                                 | 
| 5 | 5 years ago | 15 | 
                                    
                                    7.5%
                                 | 
| 6 | More than 5 years ago | 101 | 
                                    
                                    50.2%
                                 | 
| Sysmiss | 3841 |