| Value | Category | Cases | |
|---|---|---|---|
| 2005 | 1 |
0.1%
|
|
| 2008 | 1 |
0.1%
|
|
| 2011 | 1 |
0.1%
|
|
| 2012 | 4 |
0.3%
|
|
| 2013 | 4 |
0.3%
|
|
| 2014 | 92 |
7.7%
|
|
| 2015 | 1087 |
91.2%
|
|
| 9998 | 2 |
0.2%
|
|
| Sysmiss | 6164 |