| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 136 |
11.3%
|
| 2 | Not very free | 221 |
18.4%
|
| 3 | Somewhat free | 464 |
38.7%
|
| 4 | Completely free | 318 |
26.5%
|
| 9 | Don't know | 61 |
5.1%
|
| 998 | Refused | 0 |
0%
|