| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 7426 | 
                                    
                                    42.9%
                                 | 
| 2 | Very little | 4565 | 
                                    
                                    26.4%
                                 | 
| 3 | To some extent | 3373 | 
                                    
                                    19.5%
                                 | 
| 4 | A lot | 1932 | 
                                    
                                    11.2%
                                 | 
| 7 | N/A | 378 | |
| 8 | Invalid | 7 | |
| 9 | Missing | 458 |