| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 37 |
3.1%
|
| 2 | Not very free | 61 |
5.1%
|
| 3 | Somewhat free | 147 |
12.3%
|
| 4 | Completely free | 946 |
78.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 9 |
0.8%
|