| Value | Category | Cases | |
|---|---|---|---|
| 1 | Completely free | 6 |
0.3%
|
| 2 | Very free | 71 |
3.7%
|
| 3 | Moderately free | 388 |
20%
|
| 4 | Slightly free | 750 |
38.6%
|
| 5 | Not free at all | 729 |
37.5%
|
| Sysmiss | 1994 |