| Value | Category | Cases | |
|---|---|---|---|
| 99 | Before 2005 | 273 |
12.8%
|
| 2005 | 2005 | 51 |
2.4%
|
| 2006 | 2006 | 50 |
2.3%
|
| 2007 | 2007 | 89 |
4.2%
|
| 2008 | 2008 | 96 |
4.5%
|
| 2009 | 2009 | 127 |
5.9%
|
| 2010 | 2010 | 172 |
8%
|
| 2011 | 2011 | 277 |
12.9%
|
| 2012 | 2012 | 374 |
17.5%
|
| 2013 | 2013 | 494 |
23.1%
|
| 2014 | 2014 | 137 |
6.4%
|
| Sysmiss | 760 |