| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Not at all free | 38 |
3.2%
|
| 2 | Not very free | 32 |
2.7%
|
| 3 | Somewhat free | 121 |
10.1%
|
| 4 | Completely free | 992 |
82.7%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 15 |
1.3%
|