| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | None | 2017 |
84%
|
| 1 | Few | 201 |
8.4%
|
| 2 | Some | 116 |
4.8%
|
| 3 | Most | 52 |
2.2%
|
| 4 | All | 14 |
0.6%
|