| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Not at all free | 43 | 
                                    
                                    3.6%
                                 | 
| 2 | Not very free | 143 | 
                                    
                                    11.9%
                                 | 
| 3 | Somewhat free | 294 | 
                                    
                                    24.5%
                                 | 
| 4 | Completely free | 714 | 
                                    
                                    59.5%
                                 | 
| 9 | Don't know | 6 | 
                                    
                                    0.5%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 |