| Value | Category | Cases | |
|---|---|---|---|
| 0 | < 1 year completed | 7 | 
                                    
                                    25.9%
                                 | 
| 1 | 4 | 
                                    
                                    14.8%
                                 | |
| 2 | 2 | 
                                    
                                    7.4%
                                 | |
| 3 | 1 | 
                                    
                                    3.7%
                                 | |
| 4 | 5 | 
                                    
                                    18.5%
                                 | |
| 6 | 2 | 
                                    
                                    7.4%
                                 | |
| 7 | 4 | 
                                    
                                    14.8%
                                 | |
| 8 | 1 | 
                                    
                                    3.7%
                                 | |
| 9 | 1 | 
                                    
                                    3.7%
                                 | |
| 98 | dk | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 6365 |