| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 40 |
3.3%
|
| 2 | Not very free | 94 |
7.8%
|
| 3 | Somewhat free | 175 |
14.6%
|
| 4 | Completely free | 865 |
72.1%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 25 |
2.1%
|