| Value | Category | 
                                    
                    
                        | -1 | -1. Missing | 
                                    
                    
                        | 1 | 1. LSM 1 | 
                                    
                    
                        | 2 | 2. LSM 2 | 
                                    
                    
                        | 3 | 3. LSM 3 | 
                                    
                    
                        | 4 | 4. LSM 4 | 
                                    
                    
                        | 5 | 5. LSM 5 | 
                                    
                    
                        | 6 | 6. LSM 6 | 
                                    
                    
                        | 7 | 7. LSM 7 | 
                                    
                    
                        | 8 | 8. LSM 8 | 
                                    
                    
                        | 9 | 9. LSM 9 | 
                                    
                    
                        | 10 | 10. LSM 10 | 
                            
            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.