| Valor | Categoría | Casos | |
|---|---|---|---|
| 2002 | 6 |
0%
|
|
| 2003 | 13 |
0.1%
|
|
| 2004 | 21 |
0.1%
|
|
| 2005 | 13 |
0.1%
|
|
| 2006 | 10 |
0.1%
|
|
| 2007 | 9 |
0%
|
|
| 2008 | 15 |
0.1%
|
|
| 2009 | 26 |
0.1%
|
|
| 2010 | 230 |
1.2%
|
|
| 2011 | 18458 |
98.2%
|