| Value | Category | Cases | |
|---|---|---|---|
| 1 | HAS CERTIFICATE | 986 | 
                                    
                                    21%
                                 | 
| 2 | registered | 1167 | 
                                    
                                    24.8%
                                 | 
| 3 | neither | 2472 | 
                                    
                                    52.6%
                                 | 
| 4 | DON'T KN0W | 79 | 
                                    
                                    1.7%
                                 | 
| Sysmiss | 38 |