| Value | Category | Cases | |
|---|---|---|---|
| 1 | Full time | 3352 | 
                                                                 
                                    
                                    26.1%
                                 
                                                             | 
                                                        
                    
| 2 | Part time | 800 | 
                                                                 
                                    
                                    6.2%
                                 
                                                             | 
                                                        
                    
| 3 | Not at all | 8675 | 
                                                                 
                                    
                                    67.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 12757 |