| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 28 |
2.3%
|
| 2 | Not very free | 123 |
10.3%
|
| 3 | Somewhat free | 330 |
27.5%
|
| 4 | Completely free | 696 |
58%
|
| 8 | Refused | 3 |
0.3%
|
| 9 | Don’t know | 20 |
1.7%
|