| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 18 |
0.6%
|
|
| 2 | 21 |
0.7%
|
|
| 3 | 122 |
4.3%
|
|
| 4 | 491 |
17.2%
|
|
| 5 | 912 |
32%
|
|
| 6 | 1286 |
45.1%
|
|
| Sysmiss | 890 |