| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 923 |
1.4%
|
|
| 2011 | 3355 |
5%
|
|
| 2012 | 5685 |
8.4%
|
|
| 2013 | 4793 |
7.1%
|
|
| 2014 | 17731 |
26.2%
|
|
| 2015 | 21876 |
32.4%
|
|
| 2016 | 13191 |
19.5%
|
|
| Sysmiss | 16153 |