| Valor | Categoría | Casos | |
|---|---|---|---|
| 2016 | 8473 |
96.6%
|
|
| 2017 | 295 |
3.4%
|
|
| 2018 | 4 |
0%
|
|
| 2019 | 2 |
0%
|
|
| Sysmiss | 2055 |