| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -7 | Prices are regulated | 78 | 
                                                                 
                                    
                                    21.4%
                                 
                                                             | 
                                                        
                    
| -6 | Prices set by HQ | 4 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 49 | 
                                                                 
                                    
                                    13.5%
                                 
                                                             | 
                                                        
                    
| 2 | No | 233 | 
                                                                 
                                    
                                    64%
                                 
                                                             |