| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 145 |
1.6%
|
|
| 2011 | 503 |
5.6%
|
|
| 2012 | 552 |
6.2%
|
|
| 2013 | 839 |
9.4%
|
|
| 2014 | 3808 |
42.7%
|
|
| 2015 | 2253 |
25.3%
|
|
| 2016 | 810 |
9.1%
|
|
| Sysmiss | 74797 |