| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Not at all free | 197 | 
                                    
                                    16.4%
                                 | 
| 2 | Not very free | 210 | 
                                    
                                    17.5%
                                 | 
| 3 | Somewhat free | 344 | 
                                    
                                    28.7%
                                 | 
| 4 | Completely free | 418 | 
                                    
                                    34.8%
                                 | 
| 8 | Refused | 2 | 
                                    
                                    0.2%
                                 | 
| 9 | Don’t know | 29 | 
                                    
                                    2.4%
                                 |