| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 1 |
0.9%
|
|
| 2011 | 1 |
0.9%
|
|
| 2012 | 1 |
0.9%
|
|
| 2013 | 1 |
0.9%
|
|
| 2014 | 2 |
1.9%
|
|
| 2015 | 12 |
11.2%
|
|
| 2016 | 43 |
40.2%
|
|
| 2017 | 46 |
43%
|
|
| Sysmiss | 30 |