| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 5 |
1.1%
|
|
| 2011 | 5 |
1.1%
|
|
| 2012 | 13 |
2.9%
|
|
| 2013 | 23 |
5.1%
|
|
| 2014 | 24 |
5.4%
|
|
| 2015 | 48 |
10.7%
|
|
| 2016 | 202 |
45.2%
|
|
| 2017 | 127 |
28.4%
|
|
| Sysmiss | 130 |