| Value | Category | Cases | |
|---|---|---|---|
| 2013 | 1 |
0.1%
|
|
| 2014 | 4 |
0.4%
|
|
| 2015 | 9 |
0.9%
|
|
| 2016 | 21 |
2.1%
|
|
| 2017 | 63 |
6.2%
|
|
| 2018 | 630 |
61.9%
|
|
| 2019 | 290 |
28.5%
|
|
| Sysmiss | 41325 |