| Value | Category | Cases | |
|---|---|---|---|
| 2 | semanal | 0 |
0%
|
| 4 | mensual | 0 |
0%
|
| 5 | semestral | 7 |
43.8%
|
| 6 | anual | 9 |
56.3%
|
| Sysmiss | 729 |