| Value | Category | Cases | |
|---|---|---|---|
| 2005 | 1 |
3.6%
|
|
| 2007 | 1 |
3.6%
|
|
| 2009 | 1 |
3.6%
|
|
| 2010 | 3 |
10.7%
|
|
| 2011 | 2 |
7.1%
|
|
| 2012 | 5 |
17.9%
|
|
| 2013 | 9 |
32.1%
|
|
| 2014 | 6 |
21.4%
|
|
| Sysmiss | 81 |