| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 42 |
3.5%
|
| 2 | Not very free | 85 |
7.1%
|
| 3 | Somewhat free | 211 |
17.6%
|
| 4 | Completely free | 853 |
71.1%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 8 |
0.7%
|