| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 44 |
3.7%
|
| 2 | Not very free | 295 |
24.6%
|
| 3 | Somewhat free | 451 |
37.6%
|
| 4 | Completely free | 406 |
33.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 4 |
0.3%
|