| Value | Category | Cases | |
|---|---|---|---|
| 1994 | 1 |
0.1%
|
|
| 1995 | 1 |
0.1%
|
|
| 1996 | 2 |
0.2%
|
|
| 1998 | 1 |
0.1%
|
|
| 2000 | 2 |
0.2%
|
|
| 2001 | 8 |
0.7%
|
|
| 2002 | 4 |
0.4%
|
|
| 2003 | 5 |
0.4%
|
|
| 2004 | 9 |
0.8%
|
|
| 2005 | 16 |
1.4%
|
|
| 2006 | 43 |
3.8%
|
|
| 2007 | 36 |
3.2%
|
|
| 2008 | 80 |
7%
|
|
| 2009 | 103 |
9%
|
|
| 2010 | 122 |
10.7%
|
|
| 2011 | 154 |
13.5%
|
|
| 2012 | 228 |
20%
|
|
| 2013 | 269 |
23.6%
|
|
| 2014 | 58 |
5.1%
|
|
| Sysmiss | 4633 |