| Value | 
                    Category | 
                                                                            
                                    
                    
                        | 971 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 20081 | 
                        First quarter 2008  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 20082 | 
                        Second quarter 2008  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 20083 | 
                        Third quarter 2008  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 20084 | 
                        Fourth quarter 2008  | 
                        
                            
                        
                        
                        
                        
                            
                    
                            
            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.