| Value | Category | Cases | |
|---|---|---|---|
| 2012 | 7 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    |
| 2013 | 625 | 
                                                                 
                                    
                                    98.9%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 1247 |