| Value | Category | Cases | |
|---|---|---|---|
| 1 | privatised | 325 | 
                                                                 
                                    
                                    88.1%
                                 
                                                             | 
                                                        
                    
| 2 | inherited | 37 | 
                                                                 
                                    
                                    10%
                                 
                                                             | 
                                                        
                    
| 3 | purchased | 5 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| 4 | cleared | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 5 | other | 2 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1413 |