| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 2687 |
15.6%
|
| 2 | Very little | 5772 |
33.4%
|
| 3 | To some extent | 6859 |
39.7%
|
| 4 | A lot | 1939 |
11.2%
|
| 7 | N/A | 391 | |
| 8 | Invalid | 3 | |
| 9 | Missing | 488 |