| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 1 |
0.2%
|
|
| 2 | 2 |
0.5%
|
|
| 3 | 10 |
2.4%
|
|
| 4 | 39 |
9.4%
|
|
| 5 | 361 |
87.4%
|
|
| Sysmiss | 18 |