| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 18 |
0.6%
|
|
| 2 | 34 |
1.2%
|
|
| 3 | 189 |
6.6%
|
|
| 4 | 594 |
20.8%
|
|
| 5 | 911 |
32%
|
|
| 6 | 1104 |
38.7%
|
|
| Sysmiss | 890 |