| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 572 |
2.8%
|
|
| 2011 | 1674 |
8.3%
|
|
| 2012 | 3313 |
16.4%
|
|
| 2013 | 2848 |
14.1%
|
|
| 2014 | 4112 |
20.3%
|
|
| 2015 | 7362 |
36.4%
|
|
| 2016 | 369 |
1.8%
|
|
| Sysmiss | 63457 |