| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Not at all free | 77 | 
                                    
                                    3.2%
                                 | 
| 2 | Not very free | 200 | 
                                    
                                    8.3%
                                 | 
| 3 | Somewhat free | 469 | 
                                    
                                    19.5%
                                 | 
| 4 | Completely free | 1619 | 
                                    
                                    67.5%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 35 | 
                                    
                                    1.5%
                                 |