| Value | Category | Cases | |
|---|---|---|---|
| 0 | < 1 year completed | 11 | 
                                    
                                    6.4%
                                 | 
| 1 | 14 | 
                                    
                                    8.1%
                                 | |
| 2 | 35 | 
                                    
                                    20.2%
                                 | |
| 3 | 17 | 
                                    
                                    9.8%
                                 | |
| 4 | 21 | 
                                    
                                    12.1%
                                 | |
| 5 | 17 | 
                                    
                                    9.8%
                                 | |
| 6 | 6 | 
                                    
                                    3.5%
                                 | |
| 7 | 16 | 
                                    
                                    9.2%
                                 | |
| 8 | 6 | 
                                    
                                    3.5%
                                 | |
| 9 | 17 | 
                                    
                                    9.8%
                                 | |
| 12 | 13 | 
                                    
                                    7.5%
                                 | |
| 98 | dk | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 15178 |