| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 1 |
0.6%
|
|
| 2 | 1 |
0.6%
|
|
| 3 | 3 |
1.8%
|
|
| 4 | 17 |
10.4%
|
|
| 5 | 141 |
86.5%
|
|
| Sysmiss | 1 |