| Valor | Categoría | Casos | |
|---|---|---|---|
| 0 | 923 |
60.7%
|
|
| 1 | 402 |
26.4%
|
|
| 2 | 174 |
11.4%
|
|
| 3 | 16 |
1.1%
|
|
| 4 | 3 |
0.2%
|
|
| 10 | 1 |
0.1%
|
|
| 6 | 1 |
0.1%
|
|
| Sysmiss | 2691 |