| Value | Category | Cases | |
|---|---|---|---|
| 1996 | 21 |
0.6%
|
|
| 1997 | 32 |
0.9%
|
|
| 1998 | 91 |
2.6%
|
|
| 1999 | 67 |
1.9%
|
|
| 2000 | 125 |
3.6%
|
|
| 2001 | 76 |
2.2%
|
|
| 2002 | 78 |
2.2%
|
|
| 2003 | 82 |
2.4%
|
|
| 2004 | 114 |
3.3%
|
|
| 2005 | 181 |
5.2%
|
|
| 2006 | 232 |
6.7%
|
|
| 2007 | 279 |
8%
|
|
| 2008 | 325 |
9.4%
|
|
| 2009 | 384 |
11.1%
|
|
| 2010 | 405 |
11.7%
|
|
| 2011 | 274 |
7.9%
|
|
| 2012 | 363 |
10.5%
|
|
| 2013 | 276 |
8%
|
|
| 2014 | 63 |
1.8%
|
|
| Sysmiss | 2307 |