| Value | Category | 
                                    
                    
                        | 2007-12-11 |  | 
                                    
                    
                        | 2007-12-12 |  | 
                                    
                    
                        | 2007-12-13 |  | 
                                    
                    
                        | 2007-12-16 |  | 
                                    
                    
                        | 2007-12-17 |  | 
                                    
                    
                        | 2007-12-23 |  | 
                                    
                    
                        | 2007-12-24 |  | 
                                    
                    
                        | 2007-12-26 |  | 
                                    
                    
                        | 2007-12-27 |  | 
                                    
                    
                        | 2007-12-30 |  | 
                                    
                    
                        | 2007-12-31 |  | 
                                    
                    
                        | 2008-01-02 |  | 
                                    
                    
                        | 2008-01-03 |  | 
                                    
                    
                        | 2008-01-05 |  | 
                                    
                    
                        | 2008-01-06 |  | 
                                    
                    
                        | 2008-01-07 |  | 
                                    
                    
                        | 2008-01-08 |  | 
                                    
                    
                        | 2008-01-09 |  | 
                                    
                    
                        | 2008-01-13 |  | 
                                    
                    
                        | 2008-01-14 |  | 
                                    
                    
                        | 2008-01-15 |  | 
                                    
                    
                        | 2008-01-16 |  | 
                                    
                    
                        | 2008-01-17 |  | 
                                    
                    
                        | 2008-01-20 |  | 
                                    
                    
                        | 2008-01-21 |  | 
                                    
                    
                        | 2008-01-22 |  | 
                                    
                    
                        | 2008-01-23 |  | 
                                    
                    
                        | 2008-01-24 |  | 
                                    
                    
                        | 2008-01-27 |  | 
                                    
                    
                        | 2008-01-28 |  | 
                                    
                    
                        | 2008-01-29 |  | 
                                    
                    
                        | 2008-02-02 |  | 
                                    
                    
                        | 2008-02-03 |  | 
                                    
                    
                        | 2008-02-04 |  | 
                                    
                    
                        | 2008-02-05 |  | 
                                    
                    
                        | 2008-02-06 |  | 
                                    
                    
                        | 2008-02-07 |  | 
                                    
                    
                        | 2008-02-10 |  | 
                                    
                    
                        | 2008-02-11 |  | 
                                    
                    
                        | 2008-02-12 |  | 
                                    
                    
                        | 2008-02-13 |  | 
                                    
                    
                        | 2008-02-14 |  | 
                                    
                    
                        | 2008-02-17 |  | 
                                    
                    
                        | 2008-02-18 |  | 
                                    
                    
                        | 2008-02-19 |  | 
                                    
                    
                        | 2008-02-20 |  | 
                                    
                    
                        | 2008-02-21 |  | 
                                    
                    
                        | 2008-02-24 |  | 
                                    
                    
                        | 2008-02-25 |  | 
                                    
                    
                        | 2008-02-26 |  | 
                                    
                    
                        | 2008-02-27 |  | 
                                    
                    
                        | 2008-02-28 |  | 
                                    
                    
                        | 2008-03-11 |  | 
                                    
                    
                        | 2008-03-12 |  | 
                                    
                    
                        | 2008-03-24 |  | 
                                    
                    
                        | 2008-03-27 |  | 
                                    
                    
                        | 2008-05-28 |  | 
                                    
                    
                        | 2008-05-29 |  | 
                                    
                    
                        | 2009-12-12 |  | 
                            
            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.