| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. YES, FORMAL | 206 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    
| 2 | 2. YES, INFORMAL | 311 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    
| 3 | 3. NO | 23360 | 
                                                                 
                                    
                                    97.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3730 |