| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 14 |
1.2%
|
| 2 | Not very free | 12 |
1%
|
| 3 | Somewhat free | 171 |
14.2%
|
| 4 | Completely free | 1003 |
83%
|
| 9 | Don't know | 8 |
0.7%
|
| 998 | Refused | 0 |
0%
|