| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 125 |
10.4%
|
| 2 | Not very free | 233 |
19.4%
|
| 3 | Somewhat free | 431 |
35.9%
|
| 4 | Completely free | 325 |
27.1%
|
| 9 | Do not know | 86 |
7.2%
|
| 98 | Refused | 0 |
0%
|