| Value | Category | Cases | |
|---|---|---|---|
| -5 | Missing; Unknown | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -4 | Not asked in survey | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -3 | Not applicable | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -2 | No answer | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -1 | Don´t know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1999 | 1999 | 1254 | 
                                                                 
                                    
                                    100%
                                 
                                                             |