| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 2000 |
20.1%
|
| 2 | Very little | 4250 |
42.7%
|
| 3 | To some extent | 2848 |
28.6%
|
| 4 | A lot | 860 |
8.6%
|
| 7 | N/A | 273 | |
| 8 | Invalid | 3 | |
| 9 | Missing | 113 |