| Value | Category | Cases | |
|---|---|---|---|
| 0 | 348 | 
                                    
                                    98.9%
                                 | |
| 1 | Within a month of departure | 0 | 
                                    
                                    0%
                                 | 
| 2 | Within six months of departure | 0 | 
                                    
                                    0%
                                 | 
| 3 | Within a year of departure | 0 | 
                                    
                                    0%
                                 | 
| 4 | After a year of departure | 0 | 
                                    
                                    0%
                                 | 
| 5 | Left for good | 0 | 
                                    
                                    0%
                                 | 
| 6 | Don`t know | 3 | 
                                    
                                    0.9%
                                 | 
| 7 | Other | 0 | 
                                    
                                    0%
                                 | 
| 8 | Dead | 1 | 
                                    
                                    0.3%
                                 |