| Value | Category | Cases | |
|---|---|---|---|
| 1 | not tuition-free | 4 |
2.1%
|
| 3 | subject to progressive realization | 0 |
0%
|
| 4 | policy guarantee | 18 |
9.4%
|
| 5 | legislative or constitutional guarantee | 170 |
88.5%
|
| Sysmiss | 1 |