| Value | Category | Cases | |
|---|---|---|---|
| 0 | < 1 year completed | 6 | 
                                    
                                    4.5%
                                 | 
| 1 | 67 | 
                                    
                                    50.8%
                                 | |
| 2 | 23 | 
                                    
                                    17.4%
                                 | |
| 3 | 8 | 
                                    
                                    6.1%
                                 | |
| 4 | 2 | 
                                    
                                    1.5%
                                 | |
| 5 | 5 | 
                                    
                                    3.8%
                                 | |
| 6 | 4 | 
                                    
                                    3%
                                 | |
| 7 | 8 | 
                                    
                                    6.1%
                                 | |
| 8 | 4 | 
                                    
                                    3%
                                 | |
| 10 | 3 | 
                                    
                                    2.3%
                                 | |
| 12 | 2 | 
                                    
                                    1.5%
                                 | |
| 98 | dk | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 15219 |