| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 881 |
7.5%
|
|
| 2011 | 2345 |
19.9%
|
|
| 2012 | 2479 |
21.1%
|
|
| 2013 | 2302 |
19.6%
|
|
| 2014 | 2337 |
19.9%
|
|
| 2015 | 1351 |
11.5%
|
|
| 2016 | 64 |
0.5%
|