| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 131 |
10.9%
|
| 2 | Not very free | 224 |
18.7%
|
| 3 | Somewhat free | 398 |
33.2%
|
| 4 | Completely free | 436 |
36.3%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 9 |
0.8%
|