| Value | Category | Cases | |
|---|---|---|---|
| -95 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 2006 | 5 | 
                                                                 
                                    
                                    26.3%
                                 
                                                             | 
                                                        
                    |
| 2007 | 1 | 
                                                                 
                                    
                                    5.3%
                                 
                                                             | 
                                                        
                    |
| 2008 | 2 | 
                                                                 
                                    
                                    10.5%
                                 
                                                             | 
                                                        
                    |
| 2009 | 4 | 
                                                                 
                                    
                                    21.1%
                                 
                                                             | 
                                                        
                    |
| 2010 | 6 | 
                                                                 
                                    
                                    31.6%
                                 
                                                             | 
                                                        
                    |
| 2011 | 1 | 
                                                                 
                                    
                                    5.3%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 191 |