| Value | Category | Cases | |
|---|---|---|---|
| 2007 | 3 |
0%
|
|
| 2012 | 2 |
0%
|
|
| 2014 | 24 |
0.3%
|
|
| 2015 | 454 |
4.8%
|
|
| 2016 | 4804 |
51.1%
|
|
| 2017 | 4107 |
43.7%
|
|
| Sysmiss | 152424 |