| Valor | Categoría | Casos | |
|---|---|---|---|
| 0 | Ninguna | 268 |
56.2%
|
| 1 | 138 |
28.9%
|
|
| 2 | 39 |
8.2%
|
|
| 3 | 9 |
1.9%
|
|
| 4 | 10 |
2.1%
|
|
| 5 | 6 |
1.3%
|
|
| 6 | 2 |
0.4%
|
|
| 7 | 3 |
0.6%
|
|
| 8 | 1 |
0.2%
|
|
| 15 | 1 |
0.2%
|
|
| Sysmiss | 1426 |