| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 1 | Not at all free | 393 |
16.4%
|
| 2 | Not very free | 640 |
26.7%
|
| 3 | Somewhat free | 716 |
29.8%
|
| 4 | Completely free | 633 |
26.4%
|
| 9 | Don't know | 17 |
0.7%
|
| 98 | Refused | 0 |
0%
|