| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 3 |
0.1%
|
|
| 2011 | 6 |
0.3%
|
|
| 2012 | 14 |
0.7%
|
|
| 2013 | 269 |
12.6%
|
|
| 2014 | 436 |
20.4%
|
|
| 2015 | 712 |
33.3%
|
|
| 2016 | 697 |
32.6%
|
|
| Sysmiss | 5413 |