| Value | Category | Cases | |
|---|---|---|---|
| 1943 | 1 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    |
| 1970 | 1 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    |
| 1976 | 2 | 
                                                                 
                                    
                                    16.7%
                                 
                                                             | 
                                                        
                    |
| 1979 | 1 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    |
| 1982 | 1 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    |
| 1986 | 1 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    |
| 1988 | 1 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    |
| 2000 | 1 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    |
| 2003 | 1 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    |
| 2005 | 1 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    |
| 2006 | 1 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 628 |