| Value | Category | Cases | |
|---|---|---|---|
| 1 | too expensive | 283 | 
                                                                 
                                    
                                    26.9%
                                 
                                                             | 
                                                        
                    
| 2 | tedious (time censoring / complicated) | 267 | 
                                                                 
                                    
                                    25.4%
                                 
                                                             | 
                                                        
                    
| 3 | useless | 276 | 
                                                                 
                                    
                                    26.2%
                                 
                                                             | 
                                                        
                    
| 4 | other | 227 | 
                                                                 
                                    
                                    21.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3905 |