| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Not at all free | 56 | 
                                    
                                    4.7%
                                 | 
| 2 | Not very free | 71 | 
                                    
                                    5.9%
                                 | 
| 3 | Somewhat free | 234 | 
                                    
                                    19.5%
                                 | 
| 4 | Completely free | 822 | 
                                    
                                    68.5%
                                 | 
| 9 | Don't know | 17 | 
                                    
                                    1.4%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 |