| Valor | Categoría | Casos | |
|---|---|---|---|
| 0 | 163 |
87.2%
|
|
| 1 | 19 |
10.2%
|
|
| 2 | 3 |
1.6%
|
|
| 4 | 1 |
0.5%
|
|
| 8 | 1 |
0.5%
|
|
| Sysmiss | 3553 |