| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 0 | None | 3 |
0.3%
|
| 1 | Few | 2 |
0.2%
|
| 2 | Some | 6 |
0.5%
|
| 3 | Most | 154 |
12.8%
|
| 4 | All | 1034 |
86.2%
|