| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 131 |
10.9%
|
| 2 | Not very free | 182 |
15.2%
|
| 3 | Somewhat free | 362 |
30.2%
|
| 4 | Completely free | 501 |
41.8%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 23 |
1.9%
|