| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 2379733 |
91.5%
|
|
| 2 | 186517 |
7.2%
|
|
| 3 | 20018 |
0.8%
|
|
| 4 | 10406 |
0.4%
|
|
| 9 | Ignorado | 5156 |
0.2%
|
| Sysmiss | 1752013 |