| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 33 |
2.8%
|
| 2 | Not very free | 66 |
5.5%
|
| 3 | Somewhat free | 352 |
29.3%
|
| 4 | Completely free | 715 |
59.6%
|
| 9 | Don’t know | 34 |
2.8%
|
| 998 | Refused | 0 |
0%
|