| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 28 |
2.3%
|
| 2 | Not very free | 115 |
9.6%
|
| 3 | Somewhat free | 324 |
27%
|
| 4 | Completely free | 715 |
59.6%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 17 |
1.4%
|