| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 67 |
2.5%
|
|
| 2011 | 439 |
16.7%
|
|
| 2012 | 418 |
15.9%
|
|
| 2013 | 420 |
16%
|
|
| 2014 | 454 |
17.2%
|
|
| 2015 | 460 |
17.5%
|
|
| 2016 | 365 |
13.9%
|
|
| 9998 | DK | 10 |
0.4%
|