| Value | Category | Cases | |
|---|---|---|---|
| 1996 | 44 |
0.1%
|
|
| 1997 | 223 |
0.3%
|
|
| 1998 | 119 |
0.2%
|
|
| 1999 | 229 |
0.3%
|
|
| 2000 | 254 |
0.3%
|
|
| 2001 | 324 |
0.4%
|
|
| 2002 | 369 |
0.5%
|
|
| 2003 | 273 |
0.3%
|
|
| 2004 | 184 |
0.2%
|
|
| 2005 | 387 |
0.5%
|
|
| 2006 | 520 |
0.7%
|
|
| 2007 | 3796 |
4.8%
|
|
| 2008 | 29664 |
37.6%
|
|
| 2009 | 23870 |
30.3%
|
|
| 2010 | 1435 |
1.8%
|
|
| 2011 | 1736 |
2.2%
|
|
| 2012 | 1197 |
1.5%
|
|
| 2013 | 1979 |
2.5%
|
|
| 2014 | 4545 |
5.8%
|
|
| 2015 | 5640 |
7.2%
|
|
| 2016 | 2076 |
2.6%
|
|
| Sysmiss | 82602 |