| Value | Category | Cases | |
|---|---|---|---|
| 1995 | 62 |
3.3%
|
|
| 2002 | 29 |
1.5%
|
|
| 2006 | 65 |
3.5%
|
|
| 2007 | 96 |
5.1%
|
|
| 2008 | 94 |
5%
|
|
| 2009 | 94 |
5%
|
|
| 2010 | 61 |
3.2%
|
|
| 2011 | 154 |
8.2%
|
|
| 2012 | 157 |
8.3%
|
|
| 2013 | 411 |
21.9%
|
|
| 2014 | 447 |
23.8%
|
|
| 2015 | 211 |
11.2%
|
|
| Sysmiss | 317 |