| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 44 |
1.3%
|
|
| 2011 | 266 |
7.6%
|
|
| 2012 | 427 |
12.3%
|
|
| 2013 | 537 |
15.4%
|
|
| 2014 | 1199 |
34.5%
|
|
| 2015 | 714 |
20.5%
|
|
| 9998 | 293 |
8.4%
|
|
| Sysmiss | 3876 |