| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very much | 121 |
12.8%
|
| 2 | Some | 60 |
6.4%
|
| 3 | None | 52 |
5.5%
|
| 7 | Missing | 706 |
74.9%
|
| 9 | 4 |
0.4%
|