| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 10235 | 
                                    
                                    58.7%
                                 | 
| 2 | Very little | 5757 | 
                                    
                                    33%
                                 | 
| 3 | To some extent | 976 | 
                                    
                                    5.6%
                                 | 
| 4 | A lot | 456 | 
                                    
                                    2.6%
                                 | 
| 7 | N/A | 391 | |
| 8 | Invalid | 8 | |
| 9 | Missing | 316 |