| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 121 |
10.1%
|
| 2 | Not very free | 152 |
12.7%
|
| 3 | Somewhat free | 433 |
36.1%
|
| 4 | Completely free | 462 |
38.5%
|
| 9 | Don't know | 32 |
2.7%
|
| 98 | Refused | 0 |
0%
|