| Value | Category | Cases | |
|---|---|---|---|
| 0 | < 1 year completed | 45 | 
                                    
                                    36.6%
                                 | 
| 1 | 31 | 
                                    
                                    25.2%
                                 | |
| 2 | 8 | 
                                    
                                    6.5%
                                 | |
| 3 | 11 | 
                                    
                                    8.9%
                                 | |
| 4 | 5 | 
                                    
                                    4.1%
                                 | |
| 5 | 4 | 
                                    
                                    3.3%
                                 | |
| 6 | 8 | 
                                    
                                    6.5%
                                 | |
| 7 | 4 | 
                                    
                                    3.3%
                                 | |
| 9 | 3 | 
                                    
                                    2.4%
                                 | |
| 10 | 2 | 
                                    
                                    1.6%
                                 | |
| 12 | 2 | 
                                    
                                    1.6%
                                 | |
| 98 | dk | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 15228 |