| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 63 |
5.3%
|
| 2 | Not very free | 35 |
2.9%
|
| 3 | Somewhat free | 101 |
8.4%
|
| 4 | Completely free | 931 |
77.6%
|
| 9 | Don't know | 70 |
5.8%
|
| 98 | Refused | 0 |
0%
|