| Value | Category | 
                                    
                    
                        | -9 | do not know | 
                                    
                    
                        | 1 | wanted to have his own business | 
                                    
                    
                        | 2 | could not find another job | 
                                    
                    
                        | 3 | job at another business was terminated | 
                                    
                    
                        | 4 | other (spontaneous) | 
                            
            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.