| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 1251771 |
77.9%
|
|
| 2 | 294240 |
18.3%
|
|
| 3 | 48953 |
3%
|
|
| 4 | 8971 |
0.6%
|
|
| 9 | Ignorado | 3796 |
0.2%
|
| Sysmiss | 3535561 |