| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 116 |
4.8%
|
| 2 | Not very free | 282 |
11.8%
|
| 3 | Somewhat free | 771 |
32.1%
|
| 4 | Completely free | 1213 |
50.5%
|
| 9 | Don't know | 18 |
0.8%
|
| 998 | 0 |
0%
|