| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 211 |
8.8%
|
| 2 | Not very free | 267 |
11.1%
|
| 3 | Somewhat free | 463 |
19.3%
|
| 4 | Completely free | 1391 |
58%
|
| 8 | Refused | 8 |
0.3%
|
| 9 | Don’t know | 60 |
2.5%
|