| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 125 |
10.4%
|
| 2 | Not very free | 145 |
12.1%
|
| 3 | Somewhat free | 306 |
25.5%
|
| 4 | Completely free | 618 |
51.5%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 6 |
0.5%
|