| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Not at all free | 156 | 
                                    
                                    13%
                                 | 
| 2 | Not very free | 229 | 
                                    
                                    19.1%
                                 | 
| 3 | Somewhat free | 370 | 
                                    
                                    30.8%
                                 | 
| 4 | Completely free | 428 | 
                                    
                                    35.7%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 17 | 
                                    
                                    1.4%
                                 |