| Value | Category | Cases | |
|---|---|---|---|
| 1 | measured | 2670 | 
                                                                 
                                    
                                    87.6%
                                 
                                                             | 
                                                        
                    
| 2 | not measured | 197 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    
| 3 | refused | 87 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    
| 6 | other | 93 | 
                                                                 
                                    
                                    3.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 9189 |