| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 1009 |
2.2%
|
|
| 2011 | 3904 |
8.4%
|
|
| 2012 | 4521 |
9.7%
|
|
| 2013 | 6362 |
13.7%
|
|
| 2014 | 13801 |
29.7%
|
|
| 2015 | 13441 |
28.9%
|
|
| 2016 | 3456 |
7.4%
|
|
| Sysmiss | 37213 |