| Value | Category | Cases | |
|---|---|---|---|
| 1995 | 164 |
1.2%
|
|
| 1996 | 652 |
4.9%
|
|
| 1997 | 719 |
5.4%
|
|
| 1998 | 778 |
5.9%
|
|
| 1999 | 677 |
5.1%
|
|
| 2000 | 977 |
7.4%
|
|
| 2001 | 701 |
5.3%
|
|
| 2002 | 913 |
6.9%
|
|
| 2003 | 886 |
6.7%
|
|
| 2004 | 963 |
7.3%
|
|
| 2005 | 1009 |
7.6%
|
|
| 2006 | 1020 |
7.7%
|
|
| 2007 | 1112 |
8.4%
|
|
| 2008 | 1049 |
7.9%
|
|
| 2009 | 1045 |
7.9%
|
|
| 2010 | 587 |
4.4%
|