| Value | Category | Cases | |
|---|---|---|---|
| 1993-01-01 | 1 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 1995-01-01 | 3 | 
                                                                 
                                    
                                    4.5%
                                 
                                                             | 
                                                        
                    |
| 1997-01-01 | 1 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 1998-01-01 | 2 | 
                                                                 
                                    
                                    3%
                                 
                                                             | 
                                                        
                    |
| 1999-01-01 | 1 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 2000-01-01 | 6 | 
                                                                 
                                    
                                    9%
                                 
                                                             | 
                                                        
                    |
| 2001-01-01 | 1 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 2003-01-01 | 7 | 
                                                                 
                                    
                                    10.4%
                                 
                                                             | 
                                                        
                    |
| 2005-01-01 | 5 | 
                                                                 
                                    
                                    7.5%
                                 
                                                             | 
                                                        
                    |
| 2006-01-01 | 4 | 
                                                                 
                                    
                                    6%
                                 
                                                             | 
                                                        
                    |
| 2008-01-01 | 2 | 
                                                                 
                                    
                                    3%
                                 
                                                             | 
                                                        
                    |
| 2009-01-01 | 6 | 
                                                                 
                                    
                                    9%
                                 
                                                             | 
                                                        
                    |
| 2010-01-01 | 10 | 
                                                                 
                                    
                                    14.9%
                                 
                                                             | 
                                                        
                    |
| 2011-01-01 | 5 | 
                                                                 
                                    
                                    7.5%
                                 
                                                             | 
                                                        
                    |
| 2012-01-01 | 7 | 
                                                                 
                                    
                                    10.4%
                                 
                                                             | 
                                                        
                    |
| 2013-01-01 | 1 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 2014-01-01 | 1 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 2015-01-01 | 2 | 
                                                                 
                                    
                                    3%
                                 
                                                             | 
                                                        
                    |
| 2015-12-15 | 1 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    |
| 2016-01-20 | 1 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             |