| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 64 |
5.3%
|
| 2 | Not very free | 86 |
7.2%
|
| 3 | Somewhat free | 203 |
16.9%
|
| 4 | Completely free | 832 |
69.3%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 13 |
1.1%
|