| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Not at all free | 120 |
10.7%
|
| 1 | Not very free | 355 |
31.7%
|
| 2 | Somewhat free | 356 |
31.8%
|
| 3 | Completely free | 229 |
20.4%
|
| 8 | Refused | 3 |
0.3%
|
| 9 | Don’t know | 57 |
5.1%
|