| Value | Category | Cases | |
|---|---|---|---|
| 0 | < 1 year completed | 1 | 
                                    
                                    8.3%
                                 | 
| 1 | 5 | 
                                    
                                    41.7%
                                 | |
| 3 | 2 | 
                                    
                                    16.7%
                                 | |
| 7 | 1 | 
                                    
                                    8.3%
                                 | |
| 8 | 1 | 
                                    
                                    8.3%
                                 | |
| 9 | 2 | 
                                    
                                    16.7%
                                 | |
| 98 | dk | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 6380 |