| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | measured | 3855 | 
                                                                 
                                    
                                    97.5%
                                 
                                                             | 
                                                        
                    
| 3 | not present | 74 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    
| 4 | refused | 3 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 6 | other | 23 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2490 |