| Value | Category | Cases | |
|---|---|---|---|
| Every 3 years | 1 | 
                                                                 
                                    
                                    12.5%
                                 
                                                             | 
                                                        
                    |
| Every 5 years or more | 1 | 
                                                                 
                                    
                                    12.5%
                                 
                                                             | 
                                                        
                    |
| NA (no rule) | 4 | 
                                                                 
                                    
                                    50%
                                 
                                                             | 
                                                        
                    |
| Yearly | 2 | 
                                                                 
                                    
                                    25%
                                 
                                                             |