| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 6915 |
40.1%
|
| 2 | Very little | 8196 |
47.6%
|
| 3 | To some extent | 1614 |
9.4%
|
| 4 | A lot | 506 |
2.9%
|
| 7 | N/A | 391 | |
| 8 | Invalid | 7 | |
| 9 | Missing | 510 |