| Valor | Categoría | Casos | |
|---|---|---|---|
| 2008 | 2 |
0.2%
|
|
| 2009 | 4 |
0.4%
|
|
| 2010 | 105 |
9.4%
|
|
| 2012 | 2 |
0.2%
|
|
| 2013 | 71 |
6.4%
|
|
| 2014 | 175 |
15.7%
|
|
| 2015 | 759 |
67.9%
|
|
| Sysmiss | 10817 |