| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 30 |
2.5%
|
| 2 | Not very free | 57 |
4.8%
|
| 3 | Somewhat free | 250 |
20.8%
|
| 4 | Completely free | 860 |
71.7%
|
| 9 | Don’t know | 3 |
0.3%
|
| 98 | Refused | 0 |
0%
|