| Value | Category | Cases | |
|---|---|---|---|
| 2009 | 3 |
0.2%
|
|
| 2010 | 2 |
0.1%
|
|
| 2012 | 3 |
0.2%
|
|
| 2013 | 3 |
0.2%
|
|
| 2014 | 4 |
0.2%
|
|
| 2015 | 13 |
0.7%
|
|
| 2016 | 28 |
1.5%
|
|
| 2017 | 113 |
5.9%
|
|
| 2018 | 1036 |
54.4%
|
|
| 2019 | 700 |
36.7%
|
|
| Sysmiss | 33501 |