| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 3334 |
19.1%
|
| 2 | Very little | 7771 |
44.5%
|
| 3 | To some extent | 4836 |
27.7%
|
| 4 | A lot | 1529 |
8.8%
|
| 7 | N/A | 391 | |
| 8 | Invalid | 6 | |
| 9 | Missing | 272 |