| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | Not at all free | 12 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    
| 2 | Not very free | 49 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    
| 3 | Somewhat free | 369 | 
                                                                 
                                    
                                    27.3%
                                 
                                                             | 
                                                        
                    
| 4 | Completely free | 792 | 
                                                                 
                                    
                                    58.7%
                                 
                                                             | 
                                                        
                    
| 9 | Don't know | 128 | 
                                                                 
                                    
                                    9.5%
                                 
                                                             | 
                                                        
                    
| 998 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |