| Value | Category | Cases | |
|---|---|---|---|
| 1996 | 15 |
0%
|
|
| 1997 | 115 |
0.2%
|
|
| 1998 | 152 |
0.3%
|
|
| 1999 | 141 |
0.3%
|
|
| 2000 | 186 |
0.4%
|
|
| 2001 | 177 |
0.3%
|
|
| 2002 | 85 |
0.2%
|
|
| 2003 | 149 |
0.3%
|
|
| 2004 | 148 |
0.3%
|
|
| 2005 | 144 |
0.3%
|
|
| 2006 | 360 |
0.7%
|
|
| 2007 | 3404 |
6.5%
|
|
| 2008 | 23220 |
44.1%
|
|
| 2009 | 16886 |
32.1%
|
|
| 2010 | 381 |
0.7%
|
|
| 2011 | 1223 |
2.3%
|
|
| 2012 | 817 |
1.6%
|
|
| 2013 | 2582 |
4.9%
|
|
| 2014 | 895 |
1.7%
|
|
| 2015 | 1041 |
2%
|
|
| 2016 | 487 |
0.9%
|
|
| Sysmiss | 108858 |