| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Not at all free | 60 |
5%
|
| 1 | Not very free | 337 |
28.1%
|
| 2 | Somewhat free | 557 |
46.4%
|
| 3 | Completely free | 217 |
18.1%
|
| 8 | Refused to answer | 1 |
0.1%
|
| 9 | Don’t know | 28 |
2.3%
|