| Value | Category | Cases | |
|---|---|---|---|
| -2 | No contesta | 1 |
0.9%
|
| 0 | 82 |
71.3%
|
|
| 20 | 5 |
4.3%
|
|
| 28 | 1 |
0.9%
|
|
| 30 | 23 |
20%
|
|
| 40 | 1 |
0.9%
|
|
| 45 | 2 |
1.7%
|