| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 2687 | 
                                    
                                    15.6%
                                 | 
| 2 | Very little | 5772 | 
                                    
                                    33.4%
                                 | 
| 3 | To some extent | 6859 | 
                                    
                                    39.7%
                                 | 
| 4 | A lot | 1939 | 
                                    
                                    11.2%
                                 | 
| 7 | N/A | 391 | |
| 8 | Invalid | 3 | |
| 9 | Missing | 488 |