| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 236 |
19.7%
|
| 2 | Not very free | 170 |
14.2%
|
| 3 | Somewhat free | 245 |
20.4%
|
| 4 | Completely free | 522 |
43.5%
|
| 8 | Refused | 8 |
0.7%
|
| 9 | Don’t know | 19 |
1.6%
|