| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 83 |
2.2%
|
|
| 2011 | 324 |
8.4%
|
|
| 2012 | 465 |
12.1%
|
|
| 2013 | 633 |
16.5%
|
|
| 2014 | 1442 |
37.6%
|
|
| 2015 | 788 |
20.5%
|
|
| 9998 | 100 |
2.6%
|
|
| Sysmiss | 3521 |