| Value | Category | 
                                    
                    
                        | 2010-04-05 |  | 
                                    
                    
                        | 2010-05-08 |  | 
                                    
                    
                        | 2010-05-14 |  | 
                                    
                    
                        | 2010-05-17 |  | 
                                    
                    
                        | 2010-05-18 |  | 
                                    
                    
                        | 2010-05-21 |  | 
                                    
                    
                        | 2010-05-25 |  | 
                                    
                    
                        | 2010-05-26 |  | 
                                    
                    
                        | 2010-05-27 |  | 
                                    
                    
                        | 2010-06-01 |  | 
                                    
                    
                        | 2010-06-05 |  | 
                                    
                    
                        | 2010-06-07 |  | 
                                    
                    
                        | 2010-06-14 |  | 
                                    
                    
                        | 2010-06-15 |  | 
                                    
                    
                        | 2010-06-21 |  | 
                                    
                    
                        | 2010-06-22 |  | 
                                    
                    
                        | 2010-06-23 |  | 
                                    
                    
                        | 2010-06-25 |  | 
                                    
                    
                        | 2010-06-26 |  | 
                                    
                    
                        | 2010-06-27 |  | 
                                    
                    
                        | 2010-06-29 |  | 
                                    
                    
                        | 2010-07-01 |  | 
                                    
                    
                        | 2010-07-02 |  | 
                                    
                    
                        | 2010-07-05 |  | 
                                    
                    
                        | 2010-07-06 |  | 
                                    
                    
                        | 2010-07-07 |  | 
                                    
                    
                        | 2010-07-11 |  | 
                                    
                    
                        | 2010-07-13 |  | 
                                    
                    
                        | 2010-07-18 |  | 
                                    
                    
                        | 2010-07-20 |  | 
                                    
                    
                        | 2010-07-22 |  | 
                                    
                    
                        | 2010-07-24 |  | 
                                    
                    
                        | 2010-07-29 |  | 
                                    
                    
                        | 2010-07-30 |  | 
                                    
                    
                        | 2010-08-01 |  | 
                                    
                    
                        | 2010-08-03 |  | 
                                    
                    
                        | 2010-08-04 |  | 
                                    
                    
                        | 2010-08-06 |  | 
                                    
                    
                        | 2010-08-10 |  | 
                                    
                    
                        | 2010-08-13 |  | 
                                    
                    
                        | 2010-08-14 |  | 
                                    
                    
                        | 2010-08-17 |  | 
                                    
                    
                        | 2010-08-20 |  | 
                                    
                    
                        | 2010-08-21 |  | 
                                    
                    
                        | 2010-08-26 |  | 
                                    
                    
                        | 2010-08-29 |  | 
                                    
                    
                        | 2010-08-30 |  | 
                                    
                    
                        | 2010-08-31 |  | 
                                    
                    
                        | 2010-09-03 |  | 
                                    
                    
                        | 2010-09-04 |  | 
                                    
                    
                        | 2010-09-07 |  | 
                                    
                    
                        | 2010-09-08 |  | 
                                    
                    
                        | 2010-09-09 |  | 
                                    
                    
                        | 2010-09-10 |  | 
                                    
                    
                        | 2010-09-13 |  | 
                                    
                    
                        | 2010-09-15 |  | 
                                    
                    
                        | 2010-09-17 |  | 
                                    
                    
                        | 2010-09-20 |  | 
                                    
                    
                        | 2010-09-21 |  | 
                                    
                    
                        | 2010-09-22 |  | 
                                    
                    
                        | 2010-09-23 |  | 
                                    
                    
                        | 2010-09-24 |  | 
                                    
                    
                        | 2010-09-28 |  | 
                                    
                    
                        | 2010-09-29 |  | 
                                    
                    
                        | 2010-09-30 |  | 
                                    
                    
                        | 2010-10-01 |  | 
                                    
                    
                        | 2010-10-02 |  | 
                                    
                    
                        | 2010-10-03 |  | 
                                    
                    
                        | 2010-10-04 |  | 
                                    
                    
                        | 2010-10-05 |  | 
                                    
                    
                        | 2010-10-06 |  | 
                                    
                    
                        | 2010-10-07 |  | 
                                    
                    
                        | 2010-10-09 |  | 
                                    
                    
                        | 2010-10-10 |  | 
                                    
                    
                        | 2010-10-11 |  | 
                                    
                    
                        | 2010-10-12 |  | 
                                    
                    
                        | 2010-10-20 |  | 
                                    
                    
                        | 2010-10-21 |  | 
                                    
                    
                        | 2010-10-23 |  | 
                                    
                    
                        | 2010-10-25 |  | 
                                    
                    
                        | 2010-11-02 |  | 
                                    
                    
                        | 2010-11-08 |  | 
                                    
                    
                        | 2010-11-16 |  | 
                                    
                    
                        | 2010-11-18 |  | 
                                    
                    
                        | 2010-11-21 |  | 
                                    
                    
                        | 2010-11-28 |  | 
                                    
                    
                        | 2010-12-01 |  | 
                                    
                    
                        | 2010-12-04 |  | 
                                    
                    
                        | 2010-12-26 |  | 
                                    
                    
                        | 2011-03-24 |  | 
                                    
                    
                        | 2011-03-30 |  | 
                                    
                    
                        | 2011-03-31 |  | 
                                    
                    
                        | 2011-04-08 |  | 
                            
            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.