| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    
| -7 | Service not offered (spontaneous) | 3 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    
| 1 | Not at all useful | 4 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    
| 2 | Not very useful | 11 | 
                                                                 
                                    
                                    4.5%
                                 
                                                             | 
                                                        
                    
| 3 | Somewhat useful | 117 | 
                                                                 
                                    
                                    48%
                                 
                                                             | 
                                                        
                    
| 4 | Very useful | 106 | 
                                                                 
                                    
                                    43.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 528 |