| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 1 |
20%
|
|
| 6 | 1 |
20%
|
|
| 9 | 1 |
20%
|
|
| 15 | 1 |
20%
|
|
| 17 | 1 |
20%
|
|
| Sysmiss | 19 |