| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 59 |
4.9%
|
| 2 | Not very free | 309 |
25.8%
|
| 3 | Somewhat free | 480 |
40%
|
| 4 | Completely free | 336 |
28%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 14 |
1.2%
|