| Value | Category | 
                                    
                    
                        | 1900-01-01 |  | 
                                    
                    
                        | 1995-05-09 |  | 
                                    
                    
                        | 1998-04-28 |  | 
                                    
                    
                        | 1999-05-23 |  | 
                                    
                    
                        | 2001-06-06 |  | 
                                    
                    
                        | 2002-05-05 |  | 
                                    
                    
                        | 2002-05-31 |  | 
                                    
                    
                        | 2002-07-28 |  | 
                                    
                    
                        | 2003-10-19 |  | 
                                    
                    
                        | 2003-12-27 |  | 
                                    
                    
                        | 2004-05-04 |  | 
                                    
                    
                        | 2005-04-14 |  | 
                                    
                    
                        | 2005-04-21 |  | 
                                    
                    
                        | 2005-05-15 |  | 
                                    
                    
                        | 2007-06-05 |  | 
                                    
                    
                        | 2007-09-06 |  | 
                                    
                    
                        | 2007-12-30 |  | 
                                    
                    
                        | 2008-05-31 |  | 
                                    
                    
                        | 2008-08-14 |  | 
                                    
                    
                        | 2008-08-24 |  | 
                                    
                    
                        | 2008-09-03 |  | 
                                    
                    
                        | 2009-04-03 |  | 
                                    
                    
                        | 2009-04-06 |  | 
                                    
                    
                        | 2009-04-25 |  | 
                                    
                    
                        | 2009-06-21 |  | 
                                    
                    
                        | 2009-12-14 |  | 
                                    
                    
                        | 2010-02-26 |  | 
                                    
                    
                        | 2010-06-10 |  | 
                                    
                    
                        | 2010-06-16 |  | 
                                    
                    
                        | 2010-06-25 |  | 
                                    
                    
                        | 2010-08-28 |  | 
                                    
                    
                        | 2010-11-01 |  | 
                                    
                    
                        | 2010-11-16 |  | 
                                    
                    
                        | 2010-12-01 |  | 
                                    
                    
                        | 2010-12-18 |  | 
                                    
                    
                        | 2010-12-23 |  | 
                                    
                    
                        | 2011-02-13 |  | 
                                    
                    
                        | 2011-02-21 |  | 
                                    
                    
                        | 2011-03-03 |  | 
                                    
                    
                        | 2011-03-04 |  | 
                                    
                    
                        | 2011-05-06 |  | 
                                    
                    
                        | 2011-05-14 |  | 
                                    
                    
                        | 2011-07-09 |  | 
                                    
                    
                        | 2011-08-26 |  | 
                                    
                    
                        | 2011-11-07 |  | 
                                    
                    
                        | 2011-12-07 |  | 
                                    
                    
                        | 2012-02-07 |  | 
                                    
                    
                        | 2012-03-21 |  | 
                                    
                    
                        | 2012-04-11 |  | 
                                    
                    
                        | 2012-05-23 |  | 
                                    
                    
                        | 2012-05-26 |  | 
                                    
                    
                        | 2012-05-28 |  | 
                                    
                    
                        | 2012-07-12 |  | 
                                    
                    
                        | 2012-07-18 |  | 
                                    
                    
                        | 2012-08-16 |  | 
                                    
                    
                        | 2012-09-13 |  | 
                                    
                    
                        | 2012-11-21 |  | 
                                    
                    
                        | 2012-12-13 |  | 
                                    
                    
                        | 2013-02-12 |  | 
                                    
                    
                        | 2013-03-01 |  | 
                                    
                    
                        | 2013-03-26 |  | 
                                    
                    
                        | 2013-06-05 |  | 
                                    
                    
                        | 2013-08-10 |  | 
                            
            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.