| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 6132 | 
                                    
                                    35.5%
                                 | 
| 2 | Very little | 4539 | 
                                    
                                    26.3%
                                 | 
| 3 | To some extent | 4287 | 
                                    
                                    24.8%
                                 | 
| 4 | A lot | 2329 | 
                                    
                                    13.5%
                                 | 
| 7 | N/A | 377 | |
| 8 | Invalid | 11 | |
| 9 | Missing | 464 |