| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 66 |
3.2%
|
| 2 | A few | 105 |
5.1%
|
| 3 | Many | 260 |
12.6%
|
| 4 | All | 580 |
28.2%
|
| 999 | Missing | 1046 |
50.9%
|