| Value | Category | Cases | |
|---|---|---|---|
| 2011 | 1 |
0%
|
|
| 2013 | 2 |
0.1%
|
|
| 2014 | 23 |
1%
|
|
| 2015 | 78 |
3.4%
|
|
| 2016 | 2219 |
95.5%
|
|
| Sysmiss | 10554 |