| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 14 | 
                                    
                                    6%
                                 | 
| -7 | Service not offered (spontaneous) | 22 | 
                                    
                                    9.4%
                                 | 
| 1 | Not at all useful | 47 | 
                                    
                                    20%
                                 | 
| 2 | Not very useful | 54 | 
                                    
                                    23%
                                 | 
| 3 | Somewhat useful | 80 | 
                                    
                                    34%
                                 | 
| 4 | Very useful | 18 | 
                                    
                                    7.7%
                                 | 
| Sysmiss | 720 |