| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 3503 |
35.8%
|
| 2 | Very little | 5377 |
54.9%
|
| 3 | To some extent | 736 |
7.5%
|
| 4 | A lot | 171 |
1.7%
|
| 7 | N/A | 274 | |
| 8 | Invalid | 2 | |
| 9 | Missing | 284 |