| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 1 |
0%
|
|
| 2012 | 8 |
0.2%
|
|
| 2013 | 6 |
0.1%
|
|
| 2014 | 82 |
1.9%
|
|
| 2015 | 4130 |
97.7%
|
|
| 9998 | 1 |
0%
|
|
| Sysmiss | 1950 |