| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 42 |
1.2%
|
|
| 2011 | 263 |
7.6%
|
|
| 2012 | 423 |
12.3%
|
|
| 2013 | 521 |
15.1%
|
|
| 2014 | 1190 |
34.5%
|
|
| 2015 | 693 |
20.1%
|
|
| 9998 | 316 |
9.2%
|
|
| Sysmiss | 3908 |