| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.2%
|
| 1 | Not at all free | 36 |
3%
|
| 2 | Not very free | 55 |
4.6%
|
| 3 | Somewhat free | 108 |
9%
|
| 4 | Completely free | 976 |
81.4%
|
| 9 | Don't know | 22 |
1.8%
|
| 98 | Refused | 0 |
0%
|