| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 64 |
1.8%
|
|
| 2011 | 295 |
8.2%
|
|
| 2012 | 461 |
12.8%
|
|
| 2013 | 545 |
15.1%
|
|
| 2014 | 1307 |
36.2%
|
|
| 2015 | 740 |
20.5%
|
|
| 9998 | 198 |
5.5%
|
|
| Sysmiss | 3746 |