| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 626 |
1.5%
|
|
| 2011 | 1461 |
3.6%
|
|
| 2012 | 2234 |
5.4%
|
|
| 2013 | 1871 |
4.5%
|
|
| 2014 | 11270 |
27.4%
|
|
| 2015 | 13141 |
31.9%
|
|
| 2016 | 10545 |
25.6%
|
|
| Sysmiss | 42559 |