| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Not at all free | 50 |
4.2%
|
| 1 | Not very free | 271 |
22.6%
|
| 2 | Somewhat free | 327 |
27.3%
|
| 3 | Completely free | 511 |
42.6%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don’t know | 41 |
3.4%
|