| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 1 |
0.2%
|
|
| 2 | 3 |
0.7%
|
|
| 3 | 38 |
8.9%
|
|
| 4 | 51 |
12%
|
|
| 5 | 333 |
78.2%
|
|
| Sysmiss | 29 |