| Value | Category | Cases | |
|---|---|---|---|
| 0 | Low knowledge | 494 |
19.2%
|
| 1 | 871 |
33.9%
|
|
| 2 | 659 |
25.7%
|
|
| 3 | 374 |
14.6%
|
|
| 4 | 122 |
4.7%
|
|
| 5 | High knowledge | 49 |
1.9%
|