| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 64 |
5.3%
|
| 2 | Not very free | 137 |
11.4%
|
| 3 | Somewhat free | 438 |
36.5%
|
| 4 | Completely free | 425 |
35.4%
|
| 9 | Don't know | 136 |
11.3%
|
| 98 | Refused | 0 |
0%
|