| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 28 |
1.2%
|
| 2 | Not very free | 29 |
1.2%
|
| 3 | Somewhat free | 272 |
11.3%
|
| 4 | Completely free | 2060 |
85.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 11 |
0.5%
|