| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Not at all free | 182 |
15.2%
|
| 1 | Not very free | 266 |
22.2%
|
| 2 | Somewhat free | 466 |
38.8%
|
| 3 | Completely free | 250 |
20.8%
|
| 8 | Refused | 5 |
0.4%
|
| 9 | Don’t know | 31 |
2.6%
|