| Value | Category | Cases | |
|---|---|---|---|
| 1 | privatised | 147 | 
                                                                 
                                    
                                    90.2%
                                 
                                                             | 
                                                        
                    
| 2 | inherited | 14 | 
                                                                 
                                    
                                    8.6%
                                 
                                                             | 
                                                        
                    
| 3 | purchased | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    
| 4 | cleared | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 5 | other | 1 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1619 |