| Value | Category | Cases | |
|---|---|---|---|
| 1 | all year | 2715 | 
                                                                 
                                    
                                    40.6%
                                 
                                                             | 
                                                        
                    
| 2 | seasonal | 3773 | 
                                                                 
                                    
                                    56.5%
                                 
                                                             | 
                                                        
                    
| 3 | occasional | 189 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             | 
                                                        
                    
| 9 | 3 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    |
| 11 | .Z | 1552 |