| Value | Category | Cases | |
|---|---|---|---|
| 1 | Were already on the land | 66 | 
                                                                 
                                    
                                    32.2%
                                 
                                                             | 
                                                        
                    
| 2 | Built after the land was obtained | 91 | 
                                                                 
                                    
                                    44.4%
                                 
                                                             | 
                                                        
                    
| 3 | Combination of both | 48 | 
                                                                 
                                    
                                    23.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3009 |