| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 65 |
5.4%
|
| 2 | Not very free | 225 |
18.8%
|
| 3 | Somewhat free | 529 |
44.1%
|
| 4 | Completely free | 371 |
30.9%
|
| 9 | Don't know | 10 |
0.8%
|
| 98 | Refused | 0 |
0%
|