| Value | Category | Cases | |
|---|---|---|---|
| 1999-01-01 | 3 | 
                                    
                                    0.5%
                                 | |
| 2000-01-01 | 4 | 
                                    
                                    0.6%
                                 | |
| 2001-01-01 | 1 | 
                                    
                                    0.2%
                                 | |
| 2002-01-01 | 2 | 
                                    
                                    0.3%
                                 | |
| 2003-01-01 | 1 | 
                                    
                                    0.2%
                                 | |
| 2005-01-01 | 1 | 
                                    
                                    0.2%
                                 | |
| 2007-01-01 | 2 | 
                                    
                                    0.3%
                                 | |
| 2008-01-01 | 2 | 
                                    
                                    0.3%
                                 | |
| 2009-01-01 | 1 | 
                                    
                                    0.2%
                                 | |
| 2010-01-01 | 2 | 
                                    
                                    0.3%
                                 | |
| 2011-01-01 | 1 | 
                                    
                                    0.2%
                                 | |
| 2012-01-01 | 6 | 
                                    
                                    0.9%
                                 | |
| 2013-01-01 | 3 | 
                                    
                                    0.5%
                                 | |
| 2014-01-01 | 3 | 
                                    
                                    0.5%
                                 | |
| 2015-01-01 | 3 | 
                                    
                                    0.5%
                                 | |
| 2016-01-01 | 7 | 
                                    
                                    1.1%
                                 | |
| 2017-01-01 | 13 | 
                                    
                                    2.1%
                                 | |
| 2018-01-01 | 41 | 
                                    
                                    6.5%
                                 | |
| 2019-01-01 | 67 | 
                                    
                                    10.6%
                                 | |
| 2020-01-01 | 168 | 
                                    
                                    26.5%
                                 | |
| 2021-01-01 | 303 | 
                                    
                                    47.8%
                                 |