| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 33 |
2.8%
|
| 2 | Not very free | 58 |
4.8%
|
| 3 | Somewhat free | 116 |
9.7%
|
| 4 | Completely free | 979 |
81.6%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 14 |
1.2%
|