| Value | Category | Cases | |
|---|---|---|---|
| -5 | AU: Inapplicable (No-school education) DE,SE:Inapplicable ; | 0 | 
                                    
                                    0%
                                 | 
| -4 | Not asked | 0 | 
                                    
                                    0%
                                 | 
| -3 | Not applicable | 0 | 
                                    
                                    0%
                                 | 
| -2 | No answer | 0 | 
                                    
                                    0%
                                 | 
| -1 | Don´t know | 0 | 
                                    
                                    0%
                                 | 
| 1 | No formal education | 26 | 
                                    
                                    2.2%
                                 | 
| 2 | Incomplete primary school | 134 | 
                                    
                                    11.2%
                                 | 
| 3 | Complete primary school | 183 | 
                                    
                                    15.3%
                                 | 
| 4 | Incomplete secondary school: technical/ vocational type | 93 | 
                                    
                                    7.8%
                                 | 
| 5 | Complete secondary school: technical/ vocational type | 135 | 
                                    
                                    11.3%
                                 | 
| 6 | Incomplete secondary school: university-preparatory type | 97 | 
                                    
                                    8.1%
                                 | 
| 7 | Complete secondary school: university-preparatory type | 180 | 
                                    
                                    15%
                                 | 
| 8 | Some university-level education, without degree | 186 | 
                                    
                                    15.5%
                                 | 
| 9 | University - level education, with degree | 166 | 
                                    
                                    13.8%
                                 |