| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 74 |
6.2%
|
| 2 | Not very free | 125 |
10.4%
|
| 3 | Somewhat free | 386 |
32.2%
|
| 4 | Completely free | 610 |
50.8%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 4 |
0.3%
|