| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 23230 | 
                                                                 
                                    
                                    50.6%
                                 
                                                             | 
                                                        
                    
| 2 | Very weak | 3431 | 
                                                                 
                                    
                                    7.5%
                                 
                                                             | 
                                                        
                    
| 3 | Weak | 6748 | 
                                                                 
                                    
                                    14.7%
                                 
                                                             | 
                                                        
                    
| 4 | Strong | 10210 | 
                                                                 
                                    
                                    22.2%
                                 
                                                             | 
                                                        
                    
| 5 | Very strong | 2310 | 
                                                                 
                                    
                                    5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 24707 |