| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 4049 |
41.6%
|
| 2 | Very little | 2722 |
28%
|
| 3 | To some extent | 2101 |
21.6%
|
| 4 | A lot | 864 |
8.9%
|
| 7 | N/A | 263 | |
| 8 | Invalid | 4 | |
| 9 | Missing | 344 |