| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 61 |
1.6%
|
|
| 2011 | 304 |
8.1%
|
|
| 2012 | 451 |
12%
|
|
| 2013 | 618 |
16.5%
|
|
| 2014 | 1379 |
36.8%
|
|
| 2015 | 774 |
20.7%
|
|
| 9998 | 159 |
4.2%
|
|
| Sysmiss | 3610 |