| Value | Category | Cases | |
|---|---|---|---|
| 1994 | 1 |
0.7%
|
|
| 1998 | 1 |
0.7%
|
|
| 1999 | 1 |
0.7%
|
|
| 2000 | 2 |
1.4%
|
|
| 2002 | 2 |
1.4%
|
|
| 2003 | 5 |
3.4%
|
|
| 2004 | 3 |
2%
|
|
| 2005 | 3 |
2%
|
|
| 2006 | 6 |
4.1%
|
|
| 2007 | 7 |
4.8%
|
|
| 2008 | 8 |
5.4%
|
|
| 2009 | 5 |
3.4%
|
|
| 2010 | 14 |
9.5%
|
|
| 2011 | 11 |
7.5%
|
|
| 2012 | 14 |
9.5%
|
|
| 2013 | 19 |
12.9%
|
|
| 2014 | 39 |
26.5%
|
|
| 2015 | 6 |
4.1%
|
|
| Sysmiss | 944 |