| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 67 |
1.8%
|
|
| 2011 | 307 |
8.4%
|
|
| 2012 | 457 |
12.5%
|
|
| 2013 | 559 |
15.3%
|
|
| 2014 | 1331 |
36.4%
|
|
| 2015 | 755 |
20.7%
|
|
| 9998 | 176 |
4.8%
|
|
| Sysmiss | 3704 |