| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Not at all free | 100 |
4.2%
|
| 1 | Not very free | 351 |
14.6%
|
| 2 | Somewhat free | 782 |
32.6%
|
| 3 | Completely free | 965 |
40.2%
|
| 8 | Refused | 3 |
0.1%
|
| 9 | Don’t know | 199 |
8.3%
|