| Value | Category | 
                                    
                    
                        | 1 | 1. Arts / humanities | 
                                    
                    
                        | 2 | 2. Science | 
                                    
                    
                        | 3 | 3. Social science | 
                                    
                    
                        | 4 | 4. Law | 
                                    
                    
                        | 5 | 5. Theology | 
                                    
                    
                        | 6 | 6. Commerce / management | 
                                    
                    
                        | 7 | 7. Education | 
                                    
                    
                        | 8 | 8. Medical services (incl. dentistry) | 
                                    
                    
                        | 9 | 9. Engineering | 
                                    
                    
                        | 10 | 10. Administration / clerical | 
                                    
                    
                        | 11 | 11. Protection | 
                                    
                    
                        | 12 | 12. Building sciences | 
                                    
                    
                        | 13 | 13. Technical | 
                                    
                    
                        | 14 | 14. Computing | 
                                    
                    
                        | 15 | 15. Veterinary | 
                                    
                    
                        | 16 | 16. Tourism | 
                                    
                    
                        | 17 | 17. Beauty / hair / cosmetology | 
                                    
                    
                        | 18 | 18. Other (specify) | 
                                    
                    
                        | 99 | 99. Don't know | 
                            
            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.