| Value | Category | 
                                    
                    
                        | 1 | Only myself | 
                                    
                    
                        | 2 | 2 | 
                                    
                    
                        | 3 | 3 | 
                                    
                    
                        | 4 | 4 | 
                                    
                    
                        | 5 | 5 | 
                                    
                    
                        | 6 | 6 | 
                                    
                    
                        | 7 | 7 | 
                                    
                    
                        | 8 | 8 | 
                                    
                    
                        | 9 | 9 | 
                                    
                    
                        | 10 | 10-19 | 
                                    
                    
                        | 11 | 20-49 | 
                                    
                    
                        | 12 | 50 or more | 
                                    
                    
                        | Sysmiss |  | 
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.