| Value | Category | Cases | |
|---|---|---|---|
| 2005 | 5297 |
6.3%
|
|
| 2006 | 6036 |
7.2%
|
|
| 2007 | 7033 |
8.4%
|
|
| 2008 | 9265 |
11.1%
|
|
| 2009 | 10844 |
13%
|
|
| 2010 | 11804 |
14.1%
|
|
| 2011 | 12214 |
14.6%
|
|
| 2012 | 11814 |
14.1%
|
|
| 2013 | 9400 |
11.2%
|