| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 77 |
3.2%
|
| 2 | Not very free | 200 |
8.3%
|
| 3 | Somewhat free | 469 |
19.5%
|
| 4 | Completely free | 1619 |
67.5%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 35 |
1.5%
|