| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 1 |
0.2%
|
|
| 2 | 2 |
0.5%
|
|
| 3 | 22 |
5.2%
|
|
| 4 | 54 |
12.7%
|
|
| 5 | 346 |
81.4%
|
|
| Sysmiss | 30 |