| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 49 |
4.1%
|
| 2 | Not very free | 118 |
9.8%
|
| 3 | Somewhat free | 392 |
32.7%
|
| 4 | Completely free | 637 |
53.1%
|
| 9 | Don’t know | 4 |
0.3%
|
| 98 | Refused | 0 |
0%
|