| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 67 |
2.8%
|
| 2 | Not very free | 212 |
8.8%
|
| 3 | Somewhat free | 532 |
22.2%
|
| 4 | Completely free | 1572 |
65.5%
|
| 9 | Don't know | 17 |
0.7%
|
| 98 | Refused | 0 |
0%
|