| Value | Category | Cases | |
|---|---|---|---|
| 2006 | 134214 |
12.2%
|
|
| 2007 | 107872 |
9.8%
|
|
| 2008 | 135703 |
12.3%
|
|
| 2009 | 144088 |
13.1%
|
|
| 2010 | 154859 |
14.1%
|
|
| 2011 | 195464 |
17.8%
|
|
| 2012 | 227083 |
20.7%
|