| Value | Category | Cases | |
|---|---|---|---|
| 1996 | 4 |
0%
|
|
| 1997 | 25 |
0.1%
|
|
| 1998 | 72 |
0.1%
|
|
| 1999 | 61 |
0.1%
|
|
| 2000 | 84 |
0.2%
|
|
| 2001 | 271 |
0.6%
|
|
| 2002 | 73 |
0.1%
|
|
| 2003 | 134 |
0.3%
|
|
| 2004 | 154 |
0.3%
|
|
| 2005 | 127 |
0.3%
|
|
| 2006 | 116 |
0.2%
|
|
| 2007 | 3411 |
6.9%
|
|
| 2008 | 21718 |
44.3%
|
|
| 2009 | 17128 |
34.9%
|
|
| 2010 | 206 |
0.4%
|
|
| 2011 | 1175 |
2.4%
|
|
| 2012 | 657 |
1.3%
|
|
| 2013 | 1713 |
3.5%
|
|
| 2014 | 683 |
1.4%
|
|
| 2015 | 878 |
1.8%
|
|
| 2016 | 390 |
0.8%
|
|
| Sysmiss | 112386 |