| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 4675 |
27.1%
|
| 2 | Very little | 8475 |
49.1%
|
| 3 | To some extent | 3658 |
21.2%
|
| 4 | A lot | 449 |
2.6%
|
| 7 | N/A | 391 | |
| 8 | Invalid | 3 | |
| 9 | Missing | 488 |