| Value | Category | Cases | |
|---|---|---|---|
| 1 | Base sample | 1981 | 
                                                                 
                                    
                                    26.2%
                                 
                                                             | 
                                                        
                    
| 2 | Add sample 10 cts. | 5279 | 
                                                                 
                                    
                                    69.8%
                                 
                                                             | 
                                                        
                    
| 3 | Add sample Genève | 301 | 
                                                                 
                                    
                                    4%
                                 
                                                             | 
                                                        
                    
| Name | Vocabulary | 
|---|---|
| Methodology | HASSET | 
| Sampling procedures | HASSET | 
| Random sample | HASSET |