| Valor | Categoría | Casos | |
|---|---|---|---|
| 2011 | 24779 |
99.1%
|
|
| 2010 | 182 |
0.7%
|
|
| 2009 | 16 |
0.1%
|
|
| 2007 | 11 |
0%
|
|
| 2008 | 9 |
0%
|
|
| 2005 | 8 |
0%
|
|
| 2004 | 7 |
0%
|
|
| 2003 | 1 |
0%
|