| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 46 |
1.3%
|
|
| 2011 | 261 |
7.4%
|
|
| 2012 | 441 |
12.4%
|
|
| 2013 | 542 |
15.3%
|
|
| 2014 | 1284 |
36.2%
|
|
| 2015 | 729 |
20.6%
|
|
| 9998 | 242 |
6.8%
|
|
| Sysmiss | 3811 |