| Value | Category | Cases | |
|---|---|---|---|
| 2011 | 1 |
0%
|
|
| 2013 | 3 |
0%
|
|
| 2014 | 13 |
0.1%
|
|
| 2015 | 8945 |
99.7%
|
|
| 2016 | 8 |
0.1%
|
|
| Sysmiss | 1 |