| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 98 |
8.2%
|
| 2 | Not very free | 204 |
17%
|
| 3 | Somewhat free | 322 |
26.9%
|
| 4 | Completely free | 553 |
46.2%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 19 |
1.6%
|