| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 10 |
0.8%
|
| 2 | Not very free | 25 |
2.1%
|
| 3 | Somewhat free | 60 |
5%
|
| 4 | Completely free | 1098 |
91.5%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 7 |
0.6%
|