| Value | Category | Cases | |
|---|---|---|---|
| 2014 | 4 | 
                                                                 
                                    
                                    1.7%
                                 
                                                             | 
                                                        
                    |
| 2015 | 22 | 
                                                                 
                                    
                                    9.5%
                                 
                                                             | 
                                                        
                    |
| 2016 | 134 | 
                                                                 
                                    
                                    58%
                                 
                                                             | 
                                                        
                    |
| 2017 | 69 | 
                                                                 
                                    
                                    29.9%
                                 
                                                             | 
                                                        
                    |
| 3333 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 5555 | Not Applicable | 2 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    
| 8888 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 9999 | Don't Know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 13488 |