| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | Not at all free | 22 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    
| 2 | Not very free | 61 | 
                                                                 
                                    
                                    5.1%
                                 
                                                             | 
                                                        
                    
| 3 | Somewhat free | 172 | 
                                                                 
                                    
                                    14.3%
                                 
                                                             | 
                                                        
                    
| 4 | Completely free | 943 | 
                                                                 
                                    
                                    78.6%
                                 
                                                             | 
                                                        
                    
| 9 | Don't know | 2 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 998 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |