| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 85 |
7.1%
|
| 2 | Not very free | 77 |
6.4%
|
| 3 | Somewhat free | 169 |
14.1%
|
| 4 | Completely free | 857 |
71.4%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 10 |
0.8%
|