| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 672 |
56%
|
| 2 | Not very free | 156 |
13%
|
| 3 | Somewhat free | 77 |
6.4%
|
| 4 | Completely free | 109 |
9.1%
|
| 9 | Don't know | 186 |
15.5%
|
| 998 | Refused | 0 |
0%
|