| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Totally free | 501 |
41.8%
|
| 2 | Partially free | 132 |
11%
|
| 3 | Not at all free | 347 |
28.9%
|
| 9 | Don't know | 220 |
18.3%
|
| 998 | Refused | 0 |
0%
|