| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 12 |
1%
|
| 2 | Not very free | 40 |
3.3%
|
| 3 | Somewhat free | 93 |
7.8%
|
| 4 | Completely free | 1046 |
87.2%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don’t know | 8 |
0.7%
|