| Value | Category | Cases | |
|---|---|---|---|
| 1997 | 720 |
0.8%
|
|
| 1998 | 715 |
0.8%
|
|
| 1999 | 4184 |
4.5%
|
|
| 2000 | 1862 |
2%
|
|
| 2001 | 4090 |
4.4%
|
|
| 2002 | 4206 |
4.6%
|
|
| 2003 | 4278 |
4.6%
|
|
| 2004 | 5382 |
5.8%
|
|
| 2005 | 10036 |
10.9%
|
|
| 2006 | 3569 |
3.9%
|
|
| 2007 | 6555 |
7.1%
|
|
| 2008 | 6448 |
7%
|
|
| 2009 | 6648 |
7.2%
|
|
| 2010 | 7503 |
8.1%
|
|
| 2011 | 8682 |
9.4%
|
|
| 2012 | 3561 |
3.9%
|
|
| 2013 | 4851 |
5.2%
|
|
| 2014 | 2534 |
2.7%
|
|
| 2015 | 5445 |
5.9%
|
|
| 2016 | 1147 |
1.2%
|
|
| Sysmiss | 172376 |