| Value | Category | Cases | |
|---|---|---|---|
| 2013 | 155 |
3.7%
|
|
| 2014 | 479 |
11.4%
|
|
| 2015 | 615 |
14.6%
|
|
| 2016 | 774 |
18.3%
|
|
| 2017 | 967 |
22.9%
|
|
| 2018 | 1230 |
29.1%
|
|
| Sysmiss | 36773 |