| قيمة | فئة | حالات | |
|---|---|---|---|
| 2009 | 684 |
13.1%
|
|
| 2010 | 1443 |
27.6%
|
|
| 2011 | 1468 |
28.1%
|
|
| 2012 | 1636 |
31.3%
|