| Valor | Categoría | Casos | |
|---|---|---|---|
| 2006 | 8697 |
4.8%
|
|
| 2007 | 10365 |
5.7%
|
|
| 2008 | 12680 |
7%
|
|
| 2009 | 34268 |
19%
|
|
| 2010 | 50283 |
27.8%
|
|
| 2011 | 64531 |
35.7%
|