| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 1 |
0.2%
|
|
| 2 | 2 |
0.5%
|
|
| 3 | 14 |
3.4%
|
|
| 4 | 46 |
11.2%
|
|
| 5 | 346 |
84.6%
|
|
| Sysmiss | 22 |