| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 2001 | 11 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    |
| 2002 | 14 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    |
| 2003 | 12 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    |
| 2004 | 8 | 
                                                                 
                                    
                                    0.8%
                                 
                                                             | 
                                                        
                    |
| 2005 | 24 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 2006 | 46 | 
                                                                 
                                    
                                    4.7%
                                 
                                                             | 
                                                        
                    |
| 2007 | 66 | 
                                                                 
                                    
                                    6.7%
                                 
                                                             | 
                                                        
                    |
| 2008 | 85 | 
                                                                 
                                    
                                    8.6%
                                 
                                                             | 
                                                        
                    |
| 2009 | 87 | 
                                                                 
                                    
                                    8.9%
                                 
                                                             | 
                                                        
                    |
| 2010 | 104 | 
                                                                 
                                    
                                    10.6%
                                 
                                                             | 
                                                        
                    |
| 2011 | 103 | 
                                                                 
                                    
                                    10.5%
                                 
                                                             | 
                                                        
                    |
| 2012 | 127 | 
                                                                 
                                    
                                    12.9%
                                 
                                                             | 
                                                        
                    |
| 2013 | 130 | 
                                                                 
                                    
                                    13.2%
                                 
                                                             | 
                                                        
                    |
| 2014 | 109 | 
                                                                 
                                    
                                    11.1%
                                 
                                                             | 
                                                        
                    |
| 2015 | 56 | 
                                                                 
                                    
                                    5.7%
                                 
                                                             | 
                                                        
                    |
| 9997 | inconsistent | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 9998 | don't know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 5498 |