| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Not at all free | 152 |
12.7%
|
| 1 | Not very free | 416 |
34.7%
|
| 2 | Somewhat free | 414 |
34.5%
|
| 3 | Completely free | 172 |
14.3%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 45 |
3.8%
|