| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 80 |
3.3%
|
| 2 | Not very free | 91 |
3.8%
|
| 3 | Somewhat free | 312 |
13%
|
| 4 | Completely free | 1906 |
79.4%
|
| 8 | Refused | 1 |
0%
|
| 9 | Don’t know | 10 |
0.4%
|