| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 81 |
6.8%
|
| 2 | Not very free | 164 |
13.7%
|
| 3 | Somewhat free | 354 |
29.5%
|
| 4 | Completely free | 461 |
38.5%
|
| 9 | Don’t know | 138 |
11.5%
|
| 98 | Refused | 0 |
0%
|