| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 41 |
3.4%
|
| 2 | Not very free | 24 |
2%
|
| 3 | Somewhat free | 204 |
17%
|
| 4 | Completely free | 887 |
73.9%
|
| 8 | Refused | 4 |
0.3%
|
| 9 | Don’t know | 40 |
3.3%
|