| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 2 |
0.5%
|
|
| 2 | 1 |
0.2%
|
|
| 3 | 7 |
1.7%
|
|
| 4 | 43 |
10.5%
|
|
| 5 | 358 |
87.1%
|
|
| Sysmiss | 20 |