| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 3544 |
36.4%
|
| 2 | Very little | 3611 |
37.1%
|
| 3 | To some extent | 2074 |
21.3%
|
| 4 | A lot | 509 |
5.2%
|
| 7 | N/A | 263 | |
| 8 | Invalid | 3 | |
| 9 | Missing | 343 |