| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Not at all free | 175 |
14.6%
|
| 1 | Not very free | 366 |
30.5%
|
| 2 | Somewhat free | 555 |
46.3%
|
| 3 | Completely free | 95 |
7.9%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 8 |
0.7%
|