| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 84 |
7%
|
| 2 | Not very free | 202 |
16.8%
|
| 3 | Somewhat free | 187 |
15.6%
|
| 4 | Completely free | 598 |
49.8%
|
| 9 | Don't know | 129 |
10.8%
|
| 998 | Refused | 0 |
0%
|