| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 38 |
3.2%
|
| 2 | Not very free | 134 |
11.2%
|
| 3 | Somewhat free | 474 |
39.5%
|
| 4 | Completely free | 542 |
45.2%
|
| 9 | Don't know | 12 |
1%
|
| 98 | Refused | 0 |
0%
|