| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 261 |
7.2%
|
|
| 2011 | 713 |
19.7%
|
|
| 2012 | 714 |
19.8%
|
|
| 2013 | 765 |
21.2%
|
|
| 2014 | 738 |
20.4%
|
|
| 2015 | 423 |
11.7%
|