| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 1 |
0.2%
|
|
| 2 | 1 |
0.2%
|
|
| 3 | 9 |
2.2%
|
|
| 4 | 48 |
11.7%
|
|
| 5 | 353 |
85.7%
|
|
| Sysmiss | 19 |