| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1.Not important | 1 | 
                            
                             
                                
                                0.5%
                                                             
                            
                         | 
                        
                    
| 2 | 2.Of some importance | 6 | 
                            
                             
                                
                                2.8%
                                                             
                            
                         | 
                        
                    
| 3 | 3.Very important | 204 | 
                            
                             
                                
                                95.8%
                                                             
                            
                         | 
                        
                    
| 5 | 5.Missing | 2 | 
                            
                             
                                
                                0.9%
                                                             
                            
                         | 
                        
                    
| 9 | 9.NA | 0 | 
                            
                             
                                
                                0%
                                                             
                            
                         |