| Valor | Categoría | Casos | |
|---|---|---|---|
| 1968 | 1 |
0.4%
|
|
| 1997 | 1 |
0.4%
|
|
| 1998 | 1 |
0.4%
|
|
| 2002 | 17 |
7.2%
|
|
| 2003 | 2 |
0.8%
|
|
| 2004 | 1 |
0.4%
|
|
| 2005 | 7 |
3%
|
|
| 2006 | 4 |
1.7%
|
|
| 2007 | 2 |
0.8%
|
|
| 2008 | 10 |
4.2%
|
|
| 2009 | 11 |
4.7%
|
|
| 2010 | 12 |
5.1%
|
|
| 2011 | 7 |
3%
|
|
| 2012 | 15 |
6.4%
|
|
| 2013 | 23 |
9.7%
|
|
| 2014 | 122 |
51.7%
|
|
| Sysmiss | 5 |