| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 160 |
2.4%
|
|
| 2011 | 481 |
7.1%
|
|
| 2012 | 2036 |
29.9%
|
|
| 2013 | 668 |
9.8%
|
|
| 2014 | 1490 |
21.9%
|
|
| 2015 | 1967 |
28.9%
|
|
| 2016 | 2 |
0%
|
|
| Sysmiss | 76903 |