| Value | Category | Cases | |
|---|---|---|---|
| 1 | Year and month | 1000 | 
                                                                 
                                    
                                    88.4%
                                 
                                                             | 
                                                        
                    
| 8 | DK | 131 | 
                                                                 
                                    
                                    11.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 24406 |