| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 82 |
2.2%
|
|
| 2011 | 318 |
8.4%
|
|
| 2012 | 459 |
12.1%
|
|
| 2013 | 621 |
16.4%
|
|
| 2014 | 1414 |
37.3%
|
|
| 2015 | 765 |
20.2%
|
|
| 9998 | 127 |
3.4%
|
|
| Sysmiss | 3570 |