| Value | Category | Cases | |
|---|---|---|---|
| 1 | Completely free | 29 |
1.3%
|
| 2 | Very free | 96 |
4.4%
|
| 3 | Moderately free | 583 |
27%
|
| 4 | Slightly free | 710 |
32.8%
|
| 5 | Not free at all | 745 |
34.4%
|
| Sysmiss | 2254 |