| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 61 |
5.1%
|
| 2 | Not very free | 68 |
5.7%
|
| 3 | Somewhat free | 365 |
30.4%
|
| 4 | Completely free | 692 |
57.7%
|
| 9 | Don't know | 14 |
1.2%
|
| 98 | Refused | 0 |
0%
|