| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 95 |
4%
|
| 2 | Not very free | 221 |
9.2%
|
| 3 | Somewhat free | 654 |
27.3%
|
| 4 | Completely free | 1406 |
58.6%
|
| 9 | Don't know | 24 |
1%
|
| 998 | 0 |
0%
|